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.
CSIRTS triage
- What
- Command injection in Active Directory allows remote code execution.
- Who is affected
- Unauthorized attackers with network access to Active Directory environments.
- Urgency
- Critical severity (CVSS 8.8); network-exploitable RCE in infrastructure component demands urgent remediation.
- Action
- Apply Active Directory security patches from Microsoft immediately.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49179
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-491790.81% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 54% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-49179 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Windows Active Directory
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- mediumCVE-2026-65777: Inadequate encryption strength in Windows Active Directory allows an authorized attacker to by…nvd · 2026-08-11
- highCVE-2026-49179: Improper neutralization of special elements used in a command ('command injection') in Windows…nvd · 2026-08-11
- highCVE-2026-62818: Windows Active Directory Certificate Services (AD CS) Remote Code Execution Vulnerabilitymsrc · 2026-08-11
- highCVE-2026-54115: Integer overflow or wraparound in Windows Active Directory allows an authorized attacker to el…nvd · 2026-07-14
- highCVE-2026-50682: Out-of-bounds read in Windows Active Directory allows an authorized attacker to deny service o…nvd · 2026-07-14
- highCVE-2026-55001: Improper certificate validation in Windows Active Directory allows an authorized attacker to e…nvd · 2026-07-14
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