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PatchSiren cyber security CVE debrief

CVE-2026-49179 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:18:02.287Z and has not been modified since then. The NVD entry is currently Analyzed. This HIGH severity vulnerability in Windows Active Directory allows unauthorized code execution over a network via command injection, affecting multiple Windows versions and servers, including Windows 10, Windows 11, and Windows Server 2012 through 2025. Microsoft has provided patches for affected systems. The vulnerability is caused by improper neutralization of special elements used in a command. Evidence is limited to public sources and may not reflect the full scope or impact of this vulnerability. Defenders should verify patch availability, confirm affected product deployments, and review compensating controls. System administrators and security teams should prioritize patching and monitoring for this vulnerability.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-11
Original CVE updated
2026-08-16
Advisory published
2026-08-11
Advisory updated
2026-08-16

Who should care

System administrators and security teams responsible for Windows Active Directory and related systems should prioritize patching and monitoring for this vulnerability. Operators of affected platforms, vulnerability management teams, and security teams should review the official advisory and CVE record to validate affected scope, severity, and vendor guidance. Security teams should also plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Technical summary

CVE-2026-49179 is a HIGH severity vulnerability in Windows Active Directory, allowing unauthorized code execution over a network via command injection. The vulnerability affects multiple Windows versions and servers, including Windows 10, Windows 11, and Windows Server 2012 through 2025. Microsoft has provided patches for affected systems. Affected product deployments should be identified and prioritized for patching.

Defensive priority

CVE-2026-49179 is rated HIGH with a CVSS score of 8.8, indicating a significant threat. Windows Active Directory vulnerability allows unauthorized code execution over a network via command injection.

Recommended defensive actions

  • Apply patches from Microsoft as available
  • Review and update affected Windows versions and servers
  • Implement compensating controls to limit network exposure
  • Monitor for suspicious activity related to command injection
  • Review relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE-2026-49179 record indicates improper neutralization of special elements used in a command, leading to command injection in Windows Active Directory. Multiple Windows versions and servers are affected, including Windows 10, Windows 11, and Windows Server 2012 through 2025. Evidence is limited to public sources and may not reflect the full scope or impact of this vulnerability. Defenders should verify patch availability, confirm affected product deployments, and review compensating controls.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-49179 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-49179

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-49179 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-49179

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.