High severity8.8NVD Advisory· Published Sep 8, 2026· Updated Sep 9, 2026
CVE-2026-85877
CVE-2026-85877
Description
Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker to execute code over a network.
Affected products
2- cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*Range: <10.0.26100.9445
Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85877nvdVendor AdvisoryPatch
News mentions
2- Patch Tuesday - September 2026Rapid7 Blog · Sep 8, 2026
- Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-DaysCyber Security News · Sep 8, 2026