CVE-2026-69513 Windows Error Reporting Elevation of Privilege Vulnerability

High 7.8 Published Updated

A heap-based buffer overflow in Windows Error Reporting allows local attackers to elevate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-69513?

CVE-2026-69513 is a high-severity memory corruption vulnerability in Microsoft Windows 10 1809, published on 8 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

Weakness: CWE-122

Which versions are affected by CVE-2026-69513?

It affects 10 products.

Products include Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2 and 4 more.

How do I fix CVE-2026-69513?

No fix has been published for CVE-2026-69513 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-69513 being exploited?

There is no known exploitation of CVE-2026-69513 in the wild and no public exploit code.

All Microsoft Windows 10 1809 vulnerabilities

Sources

Also known as GHSA-c3pf-4hcv-x7c4.

Is CVE-2026-69513 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free