High severity7.8NVD Advisory· Published Sep 8, 2026· Updated Sep 8, 2026
CVE-2026-85880
CVE-2026-85880
Description
Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
2- Microsoft’s September 2026 Patch Tuesday addresses 964 CVEs (CVE-2026-81963, CVE-2026-85880)Tenable Blog · Sep 8, 2026
- Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-DaysCyber Security News · Sep 8, 2026