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CVE-2026-96951Windows Shell Security Feature Bypass Vulnerability

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.

8.8 HIGHEPSS 9.81%⚡ Known Exploited (CISA KEV)NVD: Analyzed

OverviewAffected ProductsReferences
NVD CVE.org

Overview

Severity

ScoreSeverityVersionVector String
8.8HIGH3.1microsoft (CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8HIGH3.1microsoft (CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

CISA required action

⚡ Known exploited · remediation due Oct 16, 2026

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.

Details

CVE ID
CVE-2026-96951
Status
Analyzed
Assigner (CNA)
microsoft
Published
Oct 13, 2026
Last modified
2026-10-31 18:11 UTC
Weaknesses
  • CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-07 22:17 UTC.