CVE-2026-96951
Windows Shell Security Feature Bypass Vulnerability
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
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.
Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 High 8.8
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
Attack vector: Network
The vulnerable component can be reached over a network, possibly from the Internet.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: Required
A user has to do something first, such as opening a file or following a link.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | Required | A user has to do something first, such as opening a file or following a link. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | High | Serious or total effect on availability. |
CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.
EPSS
- Score
- 0.09813 (9.8% probability)
- Percentile
- 95.6%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- Microsoft Windows Command Injection Vulnerability
- Added to the catalog
- Oct 13, 2026
- Federal due date
- Oct 16, 2026
CISA assessment as of Oct 8, 2026
- Exploitation
- Recorded by CISA as active
- Automatable
- no
- Technical impact
- total
Weakness (CWE)
- CWE-77Improper Neutralization of Special Elements used in a Command
Affected products
Microsoft Edge (Chromium-based)
- affected: 1.0.0.0 up to before 154.0.4258.62
Microsoft Outlook.com
- affected: 1.0.0 up to before 20260925.100
Microsoft Windows 10 Version 1607
- affected: 10.0.14393.0 up to before 10.0.14393.9612
Microsoft Windows 10 Version 1809
- affected: 10.0.17763.0 up to before 10.0.17763.9376
Microsoft Windows 10 Version 21H2
- affected: 10.0.19044.0 up to before 10.0.19044.7807
Microsoft Windows 10 Version 22H2
- affected: 10.0.19045.0 up to before 10.0.19045.7807
Microsoft Windows 11 version 23H2
- affected: 10.0.22631.0 up to before 10.0.22631.7652
Microsoft Windows 11 Version 23H2
- affected: 10.0.22631.0 up to before 10.0.22631.7652
Microsoft Windows 11 Version 24H2
- affected: 10.0.26100.0 up to before 10.0.26100.9711
Microsoft Windows 11 Version 25H2
- affected: 10.0.26200.0 up to before 10.0.26200.9711
Microsoft Windows 11 version 26H1
- affected: 10.0.28000.0 up to before 10.0.28000.3231
Microsoft Windows 11 Version 26H2
- affected: 10.0.26300.0 up to before 10.0.26300.9711
Microsoft Windows Server 2012 R2
- affected: 6.3.9600.0 up to before 6.3.9600.23470
Microsoft Windows Server 2012 R2 (Server Core installation)
- affected: 6.3.9600.0 up to before 6.3.9600.23470
Microsoft Windows Server 2016
- affected: 10.0.14393.0 up to before 10.0.14393.9612
Microsoft Windows Server 2016 (Server Core installation)
- affected: 10.0.14393.0 up to before 10.0.14393.9612
Microsoft Windows Server 2019
- affected: 10.0.17763.0 up to before 10.0.17763.9376
Microsoft Windows Server 2019 (Server Core installation)
- affected: 10.0.17763.0 up to before 10.0.17763.9376
Microsoft Windows Server 2022
- affected: 10.0.20348.0 up to before 10.0.20348.5761
Microsoft Windows Server 2025
- affected: 10.0.26100.0 up to before 10.0.26100.33650
Microsoft Windows Server 2025 (Server Core installation)
- affected: 10.0.26100.0 up to before 10.0.26100.33650
References
- Windows Shell Security Feature Bypass Vulnerability (msrc.microsoft.com)vendor-advisorypatch
Timeline
- ID reserved
- Added to CISA KEV
- Record published
- Record last updated
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About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:37 UTC. Sources and licenses