CVE-2026-49179
Windows Active Directory Domain Services Remote Code Execution Vulnerability
- Published
- Aug 11, 2026
- Updated
- Sep 16, 2026
- Assigning CNA
- microsoft
- Evidence observed
- Sep 17, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 55.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Improper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows an unauthorized attacker to execute code over a network.
Sources
1Proof-of-concept and exploit scripts for CVE-2026-49179, a command injection in Active Directory's WriteSPNScript function enabling SYSTEM RCE on domain controllers.
Responsible use
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