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CVE-2026-62880: Windows NTFS Elevation of Privilege Vulnerability

highCVSS 7.8CVE-2026-62880
Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CSIRTS triage

What
An out-of-bounds read in Windows NTFS allows authorized attackers to elevate privileges locally.
Who is affected
Authenticated local users on systems with affected Windows versions can escalate privileges.
Urgency
High severity (CVSS 7.8) privilege escalation; patch deployment is recommended.
Action
Install the latest Windows security update addressing CVE-2026-62880.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.8
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62880

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-62880coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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