Common Weakness Enumeration
CWE-416
AllowedUse After Free
Abstraction: Variant · Status: Stable
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
11105 vulnerabilities reference this CWE, most recent first.
CVE-2026-88032 (GCVE-0-2026-88032)
Vulnerability from cvelistv5 – Published: 2026-09-10 18:02 – Updated: 2026-09-10 23:36
VLAI
EPSS
VEX
Title
Application denial of service via cancellation race in reactive client-side encryption in MongoDB Java Driver
Summary
A use-after-free in the reactive client-side encryption component of the MongoDB Java Driver can cause native resources to be freed while an affected encrypted operation is still using them when the operation is cancelled. A party able to cause such an operation to be cancelled may cause the hosting application process to terminate. Reaching the issue requires an affected reactive encryption configuration that retrieves KMS credentials on demand.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 18:28 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| MongoDB | Java Driver |
Affected:
4.2.0 , < 5.11.1
(semver)
|
|
| MongoDB | org.mongodb:mongodb-crypt Maven package |
Affected:
1.4.0 , < 5.11.1
(semver)
|
|
| MongoDB | org.mongodb:mongodb-driver-reactivestreams Maven package |
Affected:
4.6.0 , < 5.11.1
(semver)
|
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CVE-2026-87933 (GCVE-0-2026-87933)
Vulnerability from cvelistv5 – Published: 2026-09-10 00:15 – Updated: 2026-09-10 19:06
VLAI
EPSS
VEX
Title
DaveGamble cJSON cJSON_Utils.c cJSONUtils_MergePatch use after free
Summary
A vulnerability was found in DaveGamble cJSON up to 1.7.19. The affected element is the function cJSONUtils_MergePatch of the file cJSON_Utils.c. The manipulation results in use after free. The attack may be launched remotely. The exploit has been made public and could be used. The pull request to fix this issue awaits acceptance.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 17:51 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/401815 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/401815/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-87933 | third-party-advisory |
| https://vuldb.com/submit/911136 | third-party-advisory |
| https://github.com/DaveGamble/cJSON/issues/1060 | exploitissue-tracking |
| https://github.com/DaveGamble/cJSON/pull/1065 | issue-trackingpatch |
| https://github.com/DaveGamble/cJSON/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| DaveGamble | cJSON |
Affected:
1.7.0
Affected: 1.7.1 Affected: 1.7.2 Affected: 1.7.3 Affected: 1.7.4 Affected: 1.7.5 Affected: 1.7.6 Affected: 1.7.7 Affected: 1.7.8 Affected: 1.7.9 Affected: 1.7.10 Affected: 1.7.11 Affected: 1.7.12 Affected: 1.7.13 Affected: 1.7.14 Affected: 1.7.15 Affected: 1.7.16 Affected: 1.7.17 Affected: 1.7.18 Affected: 1.7.19 cpe:2.3:a:davegamble:cjson:*:*:*:*:*:*:*:* |
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CVE-2026-87877 (GCVE-0-2026-87877)
Vulnerability from cvelistv5 – Published: 2026-09-09 14:32 – Updated: 2026-09-09 15:57
VLAI
EPSS
VEX
Title
zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free via Setters Called After close()
Summary
zstd-jni versions before 1.5.7-14 fail to validate closed state in setDict, setLongMax, setLevel and setRefMultipleDDicts methods of stream classes. Attackers can call these methods on closed streams to write through freed native pointers, corrupting unrelated objects or crashing the JVM.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 15:57 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://github.com/luben/zstd-jni/security/adviso… | vendor-advisory |
| https://github.com/luben/zstd-jni/commit/f38f9a15… | patch |
| https://github.com/luben/zstd-jni/commit/393d7311… | patch |
| https://github.com/luben/zstd-jni/blob/v1.5.7-13/… | technical-description |
| https://github.com/luben/zstd-jni/blob/v1.5.7-13/… | technical-description |
| https://github.com/luben/zstd-jni/releases/tag/v1… | release-notes |
| https://github.com/luben/zstd-jni/commit/0827ed02… | technical-descriptionpatch |
| https://github.com/luben/zstd-jni | product |
| https://www.vulncheck.com/advisories/zstd-jni-1.3… | third-party-advisory |
Impacted products
Date Public
2026-08-19 00:00
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CVE-2026-87825 (GCVE-0-2026-87825)
Vulnerability from cvelistv5 – Published: 2026-09-09 14:32 – Updated: 2026-09-14 13:35
VLAI
EPSS
VEX
Title
zstd-jni 1.3.8-4 through 1.5.7-13 Use-After-Free of Compression and Decompression Dictionaries
Summary
zstd-jni before 1.5.7-14 contains a use-after-free vulnerability where streams and contexts hold a dictionary's shared lock only during the load call, allowing the dictionary to be closed while still referenced. Attackers can close a dictionary after associating it with a stream or context, causing subsequent read or write operations to access freed native memory, resulting in silent data corruption or JVM crashes.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-14 13:34 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://github.com/luben/zstd-jni/security/adviso… | vendor-advisory |
| https://github.com/luben/zstd-jni/commit/393d7311… | patch |
| https://github.com/luben/zstd-jni/commit/a560131d… | patch |
| https://github.com/luben/zstd-jni/blob/v1.5.7-13/… | technical-description |
| https://github.com/luben/zstd-jni/blob/v1.5.7-13/… | technical-description |
| https://github.com/luben/zstd-jni/releases/tag/v1… | release-notes |
| https://github.com/luben/zstd-jni/commit/0827ed02… | technical-descriptionpatch |
| https://github.com/luben/zstd-jni | product |
| https://www.vulncheck.com/advisories/zstd-jni-1.3… | third-party-advisory |
Impacted products
Date Public
2026-08-19 00:00
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CVE-2026-86713 (GCVE-0-2026-86713)
Vulnerability from cvelistv5 – Published: 2026-09-08 11:23 – Updated: 2026-09-08 12:20
VLAI
EPSS
VEX
Title
PX4 Autopilot through 1.17.0 Use-After-Free in load_mon
Summary
PX4 Autopilot through 1.17.0 contains a use-after-free vulnerability in the load_mon module's stop path where exit_and_cleanup() deletes the LoadMon object and frees the performance counter before perf_end() attempts to access it. Attackers can trigger this vulnerability by issuing the load_mon stop command from any PXH or MAVLink shell, causing reads and writes through freed memory that corrupt heap objects and destabilize the flight stack.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 12:19 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/PX4/PX4-Autopilot/pull/28544 | patchissue-tracking |
| https://github.com/PX4/PX4-Autopilot/commit/35482… | patch |
| https://github.com/PX4/PX4-Autopilot | product |
| https://github.com/PX4/PX4-Autopilot/blob/v1.17.0… | technical-description |
| https://www.vulncheck.com/advisories/px4-autopilo… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PX4 | PX4-Autopilot |
Affected:
0 , ≤ 1.17.0
(semver)
cpe:2.3:a:px4:autopilot:*:*:*:*:*:*:*:* |
Date Public
2026-09-04 00:00
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CVE-2026-86425 (GCVE-0-2026-86425)
Vulnerability from cvelistv5 – Published: 2026-09-07 12:53 – Updated: 2026-09-09 14:30
VLAI
EPSS
VEX
Title
ImageMagick before 7.1.2-30 Heap-use-after-free via Layer
Summary
ImageMagick before 7.1.2-30 and 6.9.x before 6.9.13-55 contains a heap-use-after-free vulnerability in the Layer method of PerlMagick. An attacker who supplies a crafted list of images can trigger memory access after deallocation, resulting in a crash (denial of service).
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 14:30 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/imagemagick-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
0 , < 7.1.2-30
(semver)
Unaffected: 7.1.2-30 (semver) |
|
| ImageMagick | ImageMagick |
Affected:
0 , < 6.9.13-55
(semver)
Unaffected: 6.9.13-55 (semver) |
Date Public
2026-08-23 00:00
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CVE-2026-86423 (GCVE-0-2026-86423)
Vulnerability from cvelistv5 – Published: 2026-09-07 12:53 – Updated: 2026-09-08 12:51
VLAI
EPSS
VEX
Title
ImageMagick before 7.1.2-30 Heap-use-after-free via GetList
Summary
ImageMagick before 7.1.2-30 and 6.9.x before 6.9.13-55 contains a heap-use-after-free vulnerability in the GetList method of PerlMagick. A crafted call to the GetList method can trigger the use-after-free, resulting in a crash (denial of service).
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 12:51 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | vendor-advisory |
| https://www.vulncheck.com/advisories/imagemagick-… | third-party-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
0 , < 7.1.2-30
(semver)
Unaffected: 7.1.2-30 (semver) |
|
| ImageMagick | ImageMagick |
Affected:
0 , < 6.9.13-55
(semver)
Unaffected: 6.9.13-55 (semver) |
Date Public
2026-08-23 00:00
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CVE-2026-86096 (GCVE-0-2026-86096)
Vulnerability from cvelistv5 – Published: 2026-09-04 22:38 – Updated: 2026-09-10 15:06
VLAI
EPSS
VEX
Title
PX4 Autopilot through 1.17.0 Use-After-Free via Temperature Calibration Task Startup
Summary
PX4 Autopilot through 1.17.0 contains a use-after-free vulnerability in TemperatureCalibration::start() due to a race condition between task spawning and object deletion. Attackers can trigger the calibration process via shell commands to write to freed heap memory, corrupting unrelated objects or allocator metadata and destabilizing heap operations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 14:19 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/PX4/PX4-Autopilot/pull/28487 | patchissue-tracking |
| https://github.com/PX4/PX4-Autopilot/commit/b182e… | patch |
| https://github.com/PX4/PX4-Autopilot | product |
| https://github.com/PX4/PX4-Autopilot/blob/v1.17.0… | technical-description |
| https://www.vulncheck.com/advisories/px4-autopilo… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PX4 | PX4-Autopilot |
Affected:
0 , ≤ 1.17.0
(semver)
cpe:2.3:a:px4:autopilot:*:*:*:*:*:*:*:* |
Date Public
2026-09-01 00:00
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CVE-2026-85893 (GCVE-0-2026-85893)
Vulnerability from cvelistv5 – Published: 2026-09-15 22:44 – Updated: 2026-10-01 23:01
VLAI
EPSS
VEX
Title
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Summary
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 03:57 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft Edge (Chromium-based) |
Affected:
1.0.0.0 , < 153.0.4234.32
(custom)
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:* |
Date Public
2026-09-15 14:00
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CVE-2026-85360 (GCVE-0-2026-85360)
Vulnerability from cvelistv5 – Published: 2026-09-08 17:10 – Updated: 2026-10-01 22:52
VLAI
EPSS
VEX
Title
Windows Kernel Elevation of Privilege Vulnerability
Summary
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 19:14 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
20 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 |
Affected:
10.0.14393.0 , < 10.0.14393.9512
(custom)
|
|
| Microsoft | Windows 10 Version 1809 |
Affected:
10.0.17763.0 , < 10.0.17763.9245
(custom)
|
|
| Microsoft | Windows 10 Version 21H2 |
Affected:
10.0.19044.0 , < 10.0.19044.7725
(custom)
|
|
| Microsoft | Windows 10 Version 22H2 |
Affected:
10.0.19045.0 , < 10.0.19045.7725
(custom)
|
|
| Microsoft | Windows 11 version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7582
(custom)
|
|
| Microsoft | Windows 11 Version 23H2 |
Affected:
10.0.22631.0 , < 10.0.22631.7582
(custom)
|
|
| Microsoft | Windows 11 Version 24H2 |
Affected:
10.0.26100.0 , < 10.0.26100.9445
(custom)
|
|
| Microsoft | Windows 11 Version 25H2 |
Affected:
10.0.26200.0 , < 10.0.26200.9445
(custom)
|
|
| Microsoft | Windows 11 version 26H1 |
Affected:
10.0.28000.0 , < 10.0.28000.2954
(custom)
|
|
| Microsoft | Windows Server 2012 |
Affected:
6.2.9200.0 , < 6.2.9200.26349
(custom)
|
|
| Microsoft | Windows Server 2012 (Server Core installation) |
Affected:
6.2.9200.0 , < 6.2.9200.26349
(custom)
|
|
| Microsoft | Windows Server 2012 R2 |
Affected:
6.3.9600.0 , < 6.3.9600.23398
(custom)
|
|
| Microsoft | Windows Server 2012 R2 (Server Core installation) |
Affected:
6.3.9600.0 , < 6.3.9600.23398
(custom)
|
|
| Microsoft | Windows Server 2016 |
Affected:
10.0.14393.0 , < 10.0.14393.9512
(custom)
|
|
| Microsoft | Windows Server 2016 (Server Core installation) |
Affected:
10.0.14393.0 , < 10.0.14393.9512
(custom)
|
|
| Microsoft | Windows Server 2019 |
Affected:
10.0.17763.0 , < 10.0.17763.9245
(custom)
|
|
| Microsoft | Windows Server 2019 (Server Core installation) |
Affected:
10.0.17763.0 , < 10.0.17763.9245
(custom)
|
|
| Microsoft | Windows Server 2022 |
Affected:
10.0.20348.0 , < 10.0.20348.5622
(custom)
|
|
| Microsoft | Windows Server 2025 |
Affected:
10.0.26100.0 , < 10.0.26100.33438
(custom)
|
|
| Microsoft | Windows Server 2025 (Server Core installation) |
Affected:
10.0.26100.0 , < 10.0.26100.33438
(custom)
|
Date Public
2026-09-08 14:00
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"title": "Windows Kernel Elevation of Privilege Vulnerability"
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"datePublished": "2026-09-08T17:10:37.303Z",
"dateReserved": "2026-09-03T17:43:43.828Z",
"dateUpdated": "2026-10-01T22:52:38.814Z",
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Mitigation
Architecture and Design
Strategy: Language Selection
Choose a language that provides automatic memory management.
Mitigation
Implementation
Strategy: Attack Surface Reduction
When freeing pointers, be sure to set them to NULL once they are freed. However, the utilization of multiple or complex data structures may lower the usefulness of this strategy.
No CAPEC attack patterns related to this CWE.