Live › vulnerability › CVE-2026-96951
Go to dashboardWindows Shell command injection (CWE-77) lets an attacker evade Mark of the Web (MOTW) protections. The user must open a crafted file or link, delivered by email, chat or a download. Microsoft rates it Important, CVSS 8.8, and reports exploitation detected. Fixed in the Oct 13 2026 Patch Tuesday updates. CISA lists it as exploited.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
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.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Windows | vendor | – | – |
| Windows 11 24H2 | vendor | < 10.0.26100.9711 | 10.0.26100.9711 |
| Windows 11 26H1 | vendor | < 10.0.28000.3231 | 10.0.28000.3231 |
| Windows 10 22H2 | vendor | < 10.0.19045.7807 | 10.0.19045.7807 |
| Windows Server 2025 | vendor | < 10.0.26100.33650 | 10.0.26100.33650 |
| microsoft outlook web | vendor | – | – |
| microsoft windows 10 1607 | vendor | < 10.0.14393.9612 | 10.0.14393.9612 |
| microsoft windows 10 1809 | vendor | < 10.0.17763.9376 | 10.0.17763.9376 |
| microsoft windows 10 21h2 | vendor | < 10.0.19044.7807 | 10.0.19044.7807 |
| microsoft windows 10 22h2 | vendor | < 10.0.19045.7807 | 10.0.19045.7807 |
| microsoft windows 11 23h2 | vendor | < 10.0.22631.7652 | 10.0.22631.7652 |
| microsoft windows 11 24h2 | vendor | < 10.0.26100.9711 | 10.0.26100.9711 |
| microsoft windows 11 25h2 | vendor | < 10.0.26200.9711 | 10.0.26200.9711 |
| microsoft windows 11 26h1 | vendor | < 10.0.28000.3231 | 10.0.28000.3231 |
| microsoft windows 11 26h2 | vendor | < 10.0.26300.9711 | 10.0.26300.9711 |
| microsoft windows server 2012 | vendor | = r2 | – |
| microsoft windows server 2016 | vendor | < 10.0.14393.9612 | 10.0.14393.9612 |
| microsoft windows server 2019 | vendor | < 10.0.17763.9376 | 10.0.17763.9376 |
| microsoft windows server 2022 | vendor | < 10.0.20348.5761 | 10.0.20348.5761 |
| microsoft windows server 2025 | vendor | < 10.0.26100.33650 | 10.0.26100.33650 |
10.0.26100.971110.0.28000.323110.0.19045.780710.0.26100.33650Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Windows Shell contains a command injection vulnerability that allows an unauthorized attacker to bypass a security feature over a network.
CISA 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.
This page as .md · .json · in your agent: get_signal("CVE-2026-96951")
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