CVE-2026-61347 Windows Event Logging Service Information Disclosure Vulnerability

Medium 5.5 Published Updated

An authorized local attacker can exploit a buffer over-read in the Windows Event Logging Service to disclose sensitive information.

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-2026-61347?

CVE-2026-61347 is a medium-severity vulnerability in Microsoft Windows 10 1607, published on 11 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer over-read in Windows Event Logging Service allows an authorized attacker to disclose information locally.

Weakness: CWE-126

Which versions are affected by CVE-2026-61347?

It affects 13 products.

Products include Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2 and 7 more.

How do I fix CVE-2026-61347?

No fix has been published for CVE-2026-61347 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-61347 being exploited?

There is no known exploitation of CVE-2026-61347 in the wild and no public exploit code.

All Microsoft Windows 10 1607 vulnerabilities

Sources

Also known as GHSA-9v97-qx3j-hxj6.

Is CVE-2026-61347 in your software?

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

Check your SBOMs for free