CVE-2026-50491
Actively exploited. CVE-2026-50491 is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
An attacker can exploit multiple vulnerabilities in Microsoft Windows products to escalate privileges, execute arbitrary code, conduct a Denial of Service attack, disclose information, present false information, manipulate data, and bypass security measures.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to escalate privileges, execute arbitrary code, conduct Denial of Service attacks, and manipulate data.
- Who is affected
- All deployments of Microsoft Windows products are affected.
- Urgency
- Remediation is urgent due to the critical severity of the vulnerabilities.
- Action
- Apply the latest security updates from Microsoft.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 18% of all EPSS-scored CVEs.
Advisory coverage (4)
- critical[NEW] [critical] Microsoft Windows products: Multiple vulnerabilitiescert-bund · 2026-07-27
- highCVE-2026-50491: Out-of-bounds read in Code Integrity DLL (ci.dll) allows an authorized attacker to elevate pri…nvd · 2026-07-14
- unknownexploitedNCSC-2026-0231 [1.00] [M/H] Vulnerabilities fixed in Microsoft Windowsncsc-nl · 2026-07-14
- highCVE-2026-50491: Code Integrity DLL (ci.dll) Elevation of Privilege Vulnerabilitymsrc · 2026-07-14
External references
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