CVE-2026-70346

Summary

Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows 10 Version 160710.0.14393.0 < 10.0.14393.9418affected
MicrosoftWindows 10 Version 180910.0.17763.0 < 10.0.17763.9115affected
MicrosoftWindows 10 Version 21H210.0.19044.0 < 10.0.19044.7663affected
MicrosoftWindows 10 Version 22H210.0.19045.0 < 10.0.19045.7663affected
MicrosoftWindows 11 version 23H210.0.22631.0 < 10.0.22631.7517affected
MicrosoftWindows 11 Version 23H210.0.22631.0 < 10.0.22631.7517affected
MicrosoftWindows 11 Version 24H210.0.26100.0 < 10.0.26100.9168affected
MicrosoftWindows 11 Version 25H210.0.26200.0 < 10.0.26200.9168affected
MicrosoftWindows 11 version 26H110.0.28000.0 < 10.0.28000.2704affected
MicrosoftWindows Server 20126.2.9200.0 < 6.2.9200.26280affected
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 < 6.2.9200.26280affected
MicrosoftWindows Server 2012 R26.3.9600.0 < 6.3.9600.23338affected
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 < 6.3.9600.23338affected
MicrosoftWindows Server 201610.0.14393.0 < 10.0.14393.9418affected
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 < 10.0.14393.9418affected
MicrosoftWindows Server 201910.0.17763.0 < 10.0.17763.9115affected
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 < 10.0.17763.9115affected
MicrosoftWindows Server 202210.0.20348.0 < 10.0.20348.5499affected
MicrosoftWindows Server 202510.0.26100.0 < 10.0.26100.33296affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 < 10.0.26100.33296affected

Weaknesses

  • CWE-121: CWE-121: Stack-based Buffer Overflow

References