Summary
generated automatically from NVD dataCVE-2026-96951 is a command injection flaw (CWE-77) in Windows Shell, affecting several Windows 10 and Windows 11 releases as well as Microsoft Outlook Web. A remote, unauthenticated attacker can exploit it over a network, with user interaction required, to bypass a security feature, with potential high impact on confidentiality, integrity and availability. It is rated 8.8 (HIGH, CVSS v3.1) and is listed in the CISA KEV catalog, which indicates active exploitation.
NVD description
Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
⚠️ Actively exploited — CISA KEV
This CVE was added to CISA's Known Exploited Vulnerabilities catalog on 2026-10-13. It is confirmed exploited in the wild and must be patched as a priority.
Remediation deadline (US federal agencies): 2026-10-16
EPSS · FIRST.org
1.5%probability of exploitation in the next 30 days
Higher than 74% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 13 oct. 2026
- Updated
- 16 oct. 2026
- Status
- Analyzed
- Source
- secure@microsoft.com
Affected products
Weaknesses (CWE)
References (2)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96951PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96951US Government Resource
Similar CVEs
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