CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

CVE-2026-50682: Active Directory Denial of Service Vulnerability

highCVSS 7.1CVE-2026-50682
Out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service over a network.

CSIRTS triage

What
An out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service over a network.
Who is affected
Authorized users of Windows Active Directory are affected.
Urgency
Remediation is urgent due to the high severity and potential for denial of service.
Action
Apply the latest security patch for Windows Active Directory.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Windows Active Directory

Get an email when a new Windows Active Directory advisory drops — max one per day, one-click unsubscribe.

Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.1
Published
2026-07-14
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50682

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-50682coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Active Directory Denial

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from Microsoft Security Response Center