CVE-2026-49179

Windows Active Directory Domain Services Remote Code Execution Vulnerability

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.

Affected

Microsoft · Windows 10 Version 1607 · Windows 10 Version 1809 · Windows 10 Version 21H2 · Windows 10 Version 22H2 · Windows 11 version 23H2 · Windows 11 Version 23H2

CVSS v3.1 MICROSOFT

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.86% chance of exploitation in the next 30 days, 58th percentile

Published

2026-08-11

Updated

2026-10-08

Proof-of-concept exploits (1)

• overgrowncarrot1/CVE-2026-49179-Active-Directory-WriteSPNScript-Command-Injection3★ · 2026-09-20

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49179

References

• CVE Record
• NVD entry

Related

• CVE-2019-1003030
• CVE-2021-22205
• CVE-2021-22911
• CVE-2023-0297
• CVE-2023-24078
• CVE-2023-27163