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CVE-2026-83995: Windows NTFS Elevation of Privilege Vulnerability

highCVSS 7.8CVE-2026-83995
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.8
Published
2026-09-08
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83995

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-83995coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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