CVE-2026-45648Critical
Windows Active Directory Domain Services Remote Code Execution Vulnerability
Assessment
Stack-based buffer overflow in Active Directory Domain Services allows an authorized attacker to execute code over a network.
- Severity
- Critical
- CVSS base score
- 8.8CVSS:3.1/
AV:N/ AC:L/ PR:L/ UI:N/ S:U/ C:H/ I:H/ A:H/ E:U/ RL:O/ RC:C - Impact
- Remote Code Execution
- EPSS, next 30 days
- 0.9%Higher than 58.5% of scored CVEs · FIRST model run 29 Sep 2026 · about EPSS
- Public exploit code
- No Nuclei template lists it
- Exploitability
- Exploitation Unlikely
- Publicly disclosed
- No
- Customer action
- Required: apply the update
- Component
- Active Directory Domain Services
- Weakness
- CWE-121: Stack-based Buffer Overflow
- Issued by
- Microsoft
- Published
- 9 Jun 2026 · June 2026
- Last revised
- 9 Jun 2026
Updates that fix it
2 KBs| KB | Type | Restart | Applies to | Other CVEs |
|---|---|---|---|---|
| KB5094125 | Security Update | Required | Windows Server 2025, Windows Server 2025 (Server Core installation) | All CVEs in KB5094125 |
| KB5094128 | Security Update | Required | Windows Server 2022, Windows Server 2022 (Server Core installation) | All CVEs in KB5094128 |