CVE-2026-65810 .NET Framework Elevation of Privilege Vulnerability
An attacker can exploit relative path traversal in .NET Framework to elevate privileges locally.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-65810?
CVE-2026-65810 is a high-severity path traversal vulnerability in Microsoft .Net Framework, published on 11 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Relative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally.
Weakness: CWE-23
Which versions are affected by CVE-2026-65810?
It affects 1 product.
Products include Microsoft .Net Framework.
How do I fix CVE-2026-65810?
No fix has been published for CVE-2026-65810 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-65810 being exploited?
There is no known exploitation of CVE-2026-65810 in the wild and no public exploit code.
Other vulnerabilities in Microsoft .Net Framework
Sources
Also known as GHSA-59jx-wqfr-2938.