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CVE-2026-62785: Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability

highCVSS 8.8CVE-2026-62785
Heap-based buffer overflow in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.

CSIRTS triage

vendor: Microsoftproduct: Windows LDAPRemote code executionMemory corruption
What
Heap-based buffer overflow in Windows LDAP enables remote code execution.
Who is affected
Unauthorized remote attackers against Windows LDAP services.
Urgency
Critical severity (CVSS 8.8); network-exploitable RCE requires immediate patching.
Action
Apply the latest Windows security update addressing CVE-2026-62785 and restrict LDAP access if possible.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 8.8
Published
2026-08-11
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62785

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-2026-62785coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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

Recent advisories for Windows LDAP -

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