CVE-2026-88137 WebDAV Information Disclosure Vulnerability
An authorized attacker can disclose sensitive information via WebDAV in Microsoft Windows and Server products.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88137?
CVE-2026-88137 is a medium-severity vulnerability in Microsoft Windows 10 Version 1607, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Files or directories accessible to external parties in WebDAV allows an authorized attacker to disclose information over a network.
Weakness: CWE-552
Which versions are affected by CVE-2026-88137?
How do I fix CVE-2026-88137?
No fix has been published for CVE-2026-88137 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-88137 being exploited?
There is no known exploitation of CVE-2026-88137 in the wild and no public exploit code.
Sources
Also known as GHSA-8w8r-2p8f-54gm.