KEV Entry

CVE-2026-20963

Known Exploited Vulnerability Entry ENISA

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Entry Details
Confirmed Exploited

CVE-2026-20963

2026-03-12 01:00 CET

Timestamps

2026-03-12

2026-03-12

Scope

Affected: Microsoft / Microsoft SharePoint | Description: Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. | Patched since: 2026/02/13 | Exploitation type: unknown | CWEs: CWE-502 | Origin source: CNW | Notes: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963

References
  • {'id': 'CVE-2026-20963', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-20963'}
  • {'id': 'EUVD-2026-2114', 'url': 'https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-2114'}
  • {'id': 'source', 'url': 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963'}

2518d78e-983b-45d0-bd52-e3e3a22f3283

ENISA
cce329bf-df49-4c6e-a027-80be2e6483bd

2026-10-02 08:52 CEST

2026-10-02 08:52 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
csirt_report enisa-cnw-kev successful_exploitation 0.75
View details 
{
  "catalog": "ENISA / EU CSIRTs Network (CNW) KEV JSON",
  "cwes": [
    "CWE-502"
  ],
  "dateReported": "2026/03/12",
  "euvd": "EUVD-2026-2114",
  "exploitationType": [
    "unknown"
  ],
  "notes": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963",
  "originSource": "CNW",
  "patchedSince": "2026/02/13",
  "product": "Microsoft SharePoint",
  "threatActorsExploiting": [],
  "vendorProject": "Microsoft",
  "vulnerabilityName": ""
}
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