CVE-2026-62818
Windows Active Directory Certificate Services (AD CS) Remote Code Execution vulnerability
MSRC advisory August 11, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-62818
- Affected products
- Windows Active Directory Certificate Services (AD CS) Remote Code Execution · Microsoft Windows Active Directory Certificate Services (AD CS) Remote Code Execution · Microsoft
What happened
Use after free in Active Directory Certificate Services (AD CS) allows an authorized attacker to execute code over a network.
What it means for your business
Windows Active Directory Certificate Services (AD CS) Remote Code Execution vulnerability (CVE-2026-62818) was added to Microsoft’s security update guidance. Use after free in Active Directory Certificate Services (AD CS) allows an authorized attacker to execute code over a network. If you need help checking exposure, call (864) 335-9223.
Sources
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