CVE-2026-69635

Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges…

Risk score: 46/100
CVSS: 6.6 v3.1
Exploit chance (30 days): 0.4%
Published: 13 Oct 2026

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What to know

What it is: Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges with a physical attack.
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Yellow

CVSS 6.6 medium

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69635

Original description

Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges with a physical attack.

Last activity 13 Oct 2026. Patch Forecast updates every hour.