CVE-2026-87714 WebDAV Security Feature Bypass Vulnerability
An authorized attacker can bypass security features in Windows WebDAV over the network due to missing authorization checks.
- 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-2026-87714?
CVE-2026-87714 is a medium-severity missing authorization vulnerability in Microsoft Windows 10 1607, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Missing authorization in WebDAV allows an authorized attacker to bypass a security feature over a network.
Weakness: CWE-862
Which versions are affected by CVE-2026-87714?
It affects 14 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 8 more.
How do I fix CVE-2026-87714?
No fix has been published for CVE-2026-87714 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-87714 being exploited?
There is no known exploitation of CVE-2026-87714 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10 1607
- CVE-2026-33824 Microsoft Internet Key Exchange (IKE) Service Extensions Double Free
- CVE-2026-21510 Microsoft Windows Shell Protection Mechanism Failure
- CVE-2026-21513 Microsoft MSHTML Framework Protection Mechanism Failure
- CVE-2023-32049 Microsoft Windows Defender SmartScreen Security Feature Bypass
- CVE-2023-29360 Microsoft Streaming Service Untrusted Pointer Dereference
Sources
Also known as GHSA-xqqg-x7mh-gqm4.