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CVE-2026-83675

7.0 high SSVC exploitation: none Published
NVD · CVE.org

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Fix

Microsoft's update · Important

  • KB5126646 — Windows Server 2025 (Server Core installation), Windows Server 2025 · build 10.0.26100.33650 · restart required
  • KB5127648 — Windows 11 Version 25H2 · build 10.0.26200.9711 · restart required
  • KB5127648 — Windows 11 Version 24H2 · build 10.0.26100.9711 · restart required
  • KB5127646 — Windows 11 version 26H1, Windows 11 Version 26H1 · build 10.0.28000.3231 · restart required
  • KB5127648 — Windows 11 Version 26H2 · build 10.0.26300.9711 · restart required

From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-28 · Exploitation Less Likely.

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 2

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 19:32
  2. First seenCVSS 7.0NVD modified 2026-10-13 21:18

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1