CVE-2026-87714: WebDAV security feature bypass via missing authorization

CVE-2026-87714 · Severity: medium · CVSS 6.5 · Published 2026-10-13

A WebDAV service contains a missing authorization check that allows an authenticated attacker to bypass a security feature over the network. An attacker with valid credentials could gain access to or modify resources they should not be able to, potentially compromising data integrity or confidentiality.

Technologies: Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, Microsoft Windows 11 23h2, Microsoft Windows 11 24h2, Microsoft Windows 11 25h2, Microsoft Windows 11 26h1, Microsoft Windows 11 26h2, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025, <UNKNOWN>. Vendors: Microsoft.

Quick answers

Is CVE-2026-87714 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-87714 being exploited in the wild.
How severe is CVE-2026-87714?
Medium severity, with a CVSS score of 6.5, published 13 October 2026.
Which products and versions are affected?
<UNKNOWN>.
Is there a fix for CVE-2026-87714?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-87714 attacked?
It is attacked over the network.
Am I affected by CVE-2026-87714?
Check whether you run Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2 or one of the others listed. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is a missing authorization check in WebDAV functionality that allows an authenticated attacker to bypass an intended security control. The attack requires network access and valid user credentials. No details on the specific bypassed feature or affected component are provided in the available advisory information.

Affected products

  • <UNKNOWN>

References

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