- Vendor / Project
- Microsoft
- Product
- Windows
- Date added
- Oct 13, 2026
- Due date
- Oct 16, 2026
- Known ransomware use
- Unknown
- CWEs
- CWE-77
Description
Microsoft Windows Shell contains a command injection vulnerability that allows an unauthorized attacker to bypass a security feature over a network.
Required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Notes
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-96951
- BOD 26-04: BOD 26-04: Prioritizing Security Updates Based on Risk | CISA
- Forensics Triage Requirements: BOD 26-04: Implementation Guidance for Prioritizing Security Updates Based on Risk | CISA
- https://nvd.nist.gov/vuln/detail/CVE-2026-96951