Secure Boot Security Feature Bypass Vulnerability
Priority LOW 36CWE-121Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Secure Boot Security Feature Bypass Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01273 70th percentileScored 2026-11-07
Fix Fixed Microsoft: 2 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows Server 2012 | 6.2.9200.0 to before 6.2.9200.24821 | 6.2.9200.24821 | Patch available | CNA |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 to before 6.2.9200.24821 | 6.2.9200.24821 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 to before 6.3.9600.21924 | 6.3.9600.21924 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 to before 6.3.9600.21924 | 6.3.9600.21924 | Patch available | CNA |
- Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.24821 Fixed in 6.2.9200.24821 Patch available CNA
- Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.24821 Fixed in 6.2.9200.24821 Patch available CNA
- Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.21924 Fixed in 6.3.9600.21924 Patch available CNA
- Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.21924 Fixed in 6.3.9600.21924 Patch available CNA
Remediation
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Security Feature Bypass
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2024-20688
- 2026-10-03 Alias added: GHSA-wmx4-3g32-fg7m
References
More Microsoft Windows Server 2012 vulnerabilities
- TI-2025-36863 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2020-01310 Improper input validation in Microsoft Windows Server KEVCVSS 3.1CRITICAL 10.0
- TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-01465 HTTP.sys in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01009 Improper input validation in Microsoft Windows Server KEVCVSS 3.1CRITICAL 9.0
Sources
- CVE-2024-20688 · CVE Program
- CVE-2024-20688 · NVD
- FIRST EPSS
- GHSA-wmx4-3g32-fg7m · GitHub Advisory Database · CC BY 4.0
- CVE-2024-20688 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences