CWE-843
AllowedAccess of Resource Using Incompatible Type ('Type Confusion')
Abstraction: Base · Status: Incomplete
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
1229 vulnerabilities reference this CWE, most recent first.
GHSA-PMJJ-2M89-X72G
Vulnerability from github – Published: 2022-05-24 17:49 – Updated: 2022-05-24 17:49Type confusion in V8 in Google Chrome prior to 90.0.4430.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
{
"affected": [],
"aliases": [
"CVE-2021-21230"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-04-30T21:15:00Z",
"severity": "HIGH"
},
"details": "Type confusion in V8 in Google Chrome prior to 90.0.4430.93 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.",
"id": "GHSA-pmjj-2m89-x72g",
"modified": "2022-05-24T17:49:22Z",
"published": "2022-05-24T17:49:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21230"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_26.html"
},
{
"type": "WEB",
"url": "https://crbug.com/1198705"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A"
},
{
"type": "WEB",
"url": "https://security.gentoo.org/glsa/202104-08"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2021/dsa-4911"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-PMVM-2CHP-49MC
Vulnerability from github – Published: 2026-03-10 18:31 – Updated: 2026-03-10 18:31Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
{
"affected": [],
"aliases": [
"CVE-2026-26110"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-03-10T18:18:39Z",
"severity": "HIGH"
},
"details": "Access of resource using incompatible type (\u0027type confusion\u0027) in Microsoft Office allows an unauthorized attacker to execute code locally.",
"id": "GHSA-pmvm-2chp-49mc",
"modified": "2026-03-10T18:31:21Z",
"published": "2026-03-10T18:31:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26110"
},
{
"type": "WEB",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26110"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-PP6J-X3QR-CJGJ
Vulnerability from github – Published: 2026-06-16 15:33 – Updated: 2026-07-15 12:31Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.
{
"affected": [],
"aliases": [
"CVE-2026-12298"
],
"database_specific": {
"cwe_ids": [
"CWE-125",
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-16T13:16:30Z",
"severity": "MODERATE"
},
"details": "Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152 and Firefox ESR 140.12.",
"id": "GHSA-pp6j-x3qr-cjgj",
"modified": "2026-07-15T12:31:49Z",
"published": "2026-06-16T15:33:48Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-12298"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-61"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-60"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-58"
},
{
"type": "WEB",
"url": "https://www.mozilla.org/security/advisories/mfsa2026-57"
},
{
"type": "WEB",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-12298.json"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2489248"
},
{
"type": "WEB",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2041981"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2026-12298"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:39706"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:39428"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:39142"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:39141"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:39011"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:38753"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:38751"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:38750"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:38506"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37391"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:37210"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36103"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36102"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36101"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:36100"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:33445"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:30846"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:29940"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:27734"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:27733"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2026:27717"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-PP89-RWQV-PGH4
Vulnerability from github – Published: 2021-11-24 00:00 – Updated: 2022-01-11 00:02Type confusion in V8 in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
{
"affected": [],
"aliases": [
"CVE-2021-38001"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-11-23T22:15:00Z",
"severity": "HIGH"
},
"details": "Type confusion in V8 in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.",
"id": "GHSA-pp89-rwqv-pgh4",
"modified": "2022-01-11T00:02:38Z",
"published": "2021-11-24T00:00:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38001"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html"
},
{
"type": "WEB",
"url": "https://crbug.com/1260577"
},
{
"type": "WEB",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744"
},
{
"type": "WEB",
"url": "https://www.debian.org/security/2022/dsa-5046"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-PPHC-2GQM-M8RV
Vulnerability from github – Published: 2026-04-09 00:31 – Updated: 2026-04-13 15:31Type Confusion in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
{
"affected": [],
"aliases": [
"CVE-2026-5865"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-04-08T22:16:26Z",
"severity": "HIGH"
},
"details": "Type Confusion in V8 in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)",
"id": "GHSA-pphc-2gqm-m8rv",
"modified": "2026-04-13T15:31:10Z",
"published": "2026-04-09T00:31:59Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5865"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html"
},
{
"type": "WEB",
"url": "https://issues.chromium.org/issues/491884710"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-PQ5W-H3JM-M95C
Vulnerability from github – Published: 2024-08-21 21:30 – Updated: 2025-10-22 00:33Type confusion in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
{
"affected": [],
"aliases": [
"CVE-2024-7971"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-08-21T21:15:09Z",
"severity": "HIGH"
},
"details": "Type confusion in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to exploit heap corruption via a crafted HTML page. (Chromium security severity: High)",
"id": "GHSA-pq5w-h3jm-m95c",
"modified": "2025-10-22T00:33:05Z",
"published": "2024-08-21T21:30:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-7971"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2024/08/stable-channel-update-for-desktop_21.html"
},
{
"type": "WEB",
"url": "https://issues.chromium.org/issues/360700873"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-7971"
},
{
"type": "WEB",
"url": "https://www.microsoft.com/en-us/security/blog/2024/08/30/north-korean-threat-actor-citrine-sleet-exploiting-chromium-zero-day"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-PW2F-Q928-88J2
Vulnerability from github – Published: 2026-04-14 18:30 – Updated: 2026-04-16 15:31An issue pertaining to CWE-843: Access of Resource Using Incompatible Type was discovered in transloadit uppy v0.25.6.
{
"affected": [],
"aliases": [
"CVE-2025-70023"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-04-14T18:16:41Z",
"severity": "CRITICAL"
},
"details": "An issue pertaining to CWE-843: Access of Resource Using Incompatible Type was discovered in transloadit uppy v0.25.6.",
"id": "GHSA-pw2f-q928-88j2",
"modified": "2026-04-16T15:31:31Z",
"published": "2026-04-14T18:30:36Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-70023"
},
{
"type": "WEB",
"url": "https://gist.github.com/zcxlighthouse/27926a85371ac5d2291f44903254753e"
},
{
"type": "WEB",
"url": "https://github.com/transloadi"
},
{
"type": "WEB",
"url": "https://github.com/transloadit/uppy"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-PWFH-44RH-2CJ8
Vulnerability from github – Published: 2026-07-01 00:34 – Updated: 2026-07-01 15:35Heap buffer overflow in V8 in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
{
"affected": [],
"aliases": [
"CVE-2026-13967"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-30T23:17:10Z",
"severity": "HIGH"
},
"details": "Heap buffer overflow in V8 in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)",
"id": "GHSA-pwfh-44rh-2cj8",
"modified": "2026-07-01T15:35:07Z",
"published": "2026-07-01T00:34:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-13967"
},
{
"type": "WEB",
"url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html"
},
{
"type": "WEB",
"url": "https://issues.chromium.org/issues/513751951"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-PWW2-7VC4-85MW
Vulnerability from github – Published: 2024-05-30 21:33 – Updated: 2025-07-18 18:30Fuji Electric Monitouch V-SFT is vulnerable to an out-of-bounds write because of a type confusion, which could result in arbitrary code execution.
{
"affected": [],
"aliases": [
"CVE-2024-5271"
],
"database_specific": {
"cwe_ids": [
"CWE-787",
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-30T20:15:09Z",
"severity": "HIGH"
},
"details": "Fuji Electric Monitouch V-SFT is vulnerable to an out-of-bounds write because of a\n type confusion, which could result in arbitrary code execution.",
"id": "GHSA-pww2-7vc4-85mw",
"modified": "2025-07-18T18:30:27Z",
"published": "2024-05-30T21:33:37Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-5271"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-24-151-02"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-PXXJ-MGR3-JP7C
Vulnerability from github – Published: 2026-06-29 21:32 – Updated: 2026-08-18 00:30A type confusion issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to memory corruption.
{
"affected": [],
"aliases": [
"CVE-2026-43705"
],
"database_specific": {
"cwe_ids": [
"CWE-843"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-06-29T20:17:35Z",
"severity": "HIGH"
},
"details": "A type confusion issue was addressed with improved checks. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to memory corruption.",
"id": "GHSA-pxxj-mgr3-jp7c",
"modified": "2026-08-18T00:30:27Z",
"published": "2026-06-29T21:32:13Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43705"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127594"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127595"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/127685"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/128068"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/128069"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/128070"
},
{
"type": "WEB",
"url": "https://support.apple.com/en-us/148287"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.