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High severity8.8NVD Advisory· Published Aug 11, 2026· Updated Aug 11, 2026

CVE-2026-62818

CVE-2026-62818

Description

Use after free in Active Directory Certificate Services (AD CS) allows an authorized attacker to execute code over a network.

Affected products

1

Microsoft/Active Directory Certificate Servicesllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62818nvd

News mentions

1

Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-Days
Cyber Security News · Aug 11, 2026