Libarchive Remote Code Execution Vulnerability
Priority HIGH 76CWE-122Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- 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
Libarchive Remote Code Execution Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.87896 99th percentileScored 2026-11-07
Fix Fixed Microsoft: 2 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 11 version 22H2 | 10.0.22621.0 to before 10.0.22621.3447 | 10.0.22621.3447 | Patch available | CNA |
| Microsoft | Windows 11 version 22H3 | 10.0.22631.0 to before 10.0.22631.3447 | 10.0.22631.3447 | Patch available | CNA |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 to before 10.0.22631.3447 | 10.0.22631.3447 | Patch available | CNA |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 to before 10.0.25398.830 | 10.0.25398.830 | Patch available | CNA |
- Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.3447 Fixed in 10.0.22621.3447 Patch available CNA
- Windows 11 version 22H3 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.3447 Fixed in 10.0.22631.3447 Patch available CNA
- Windows 11 Version 23H2 VendorMicrosoft Affected 10.0.22631.0 to before 10.0.22631.3447 Fixed in 10.0.22631.3447 Patch available CNA
- Windows Server 2022, 23H2 Edition (Server Core installation) VendorMicrosoft Affected 10.0.25398.0 to before 10.0.25398.830 Fixed in 10.0.25398.830 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:* | before 3.7.4 | Vulnerable | libarchive |
| cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* | 39 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* | 40 | Vulnerable | Fedoraproject |
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* | before 10.0.22621.3447 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* | before 10.0.22631.3447 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* | before 10.0.25398.830 | Vulnerable | Microsoft |
- cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:* Versions before 3.7.4 Vulnerable ·libarchive
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Versions 39 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* Versions 40 Vulnerable ·Fedoraproject
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.3447 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* Versions before 10.0.22631.3447 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* Versions before 10.0.25398.830 Vulnerable ·Microsoft
Remediation
Microsoft 2 updates
- Security Update
- Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.830
- Security Update
- Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.3447
- Windows 11 Version 22H2 for x64-based Systems 10.0.22621.3447
- Windows 11 Version 23H2 for ARM64-based Systems 10.0.22631.3447
- Windows 11 Version 23H2 for x64-based Systems 10.0.22631.3447
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Microsoft
Microsoft's page for this CVE →
- Impact
- Remote Code Execution
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation More Likely
Timeline
- 2026-10-02 Threatist record created from CVE-2024-26256
- 2026-10-03 Alias added: GHSA-2jc9-36w4-pmqw
References
More Microsoft Windows 11 22h2 vulnerabilities
- TI-2025-24062 Windows SMB Client Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-32708 Windows Task Scheduler Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-29106 Windows MSHTML Platform Spoofing Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-19802 Windows MSHTML Platform Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-19751 SmartScreen Prompt Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2024-26256 · CVE Program
- CVE-2024-26256 · NVD
- FIRST EPSS
- GHSA-2jc9-36w4-pmqw · GitHub Advisory Database · CC BY 4.0
- CVE-2024-26256 · Microsoft Security Update Guide
- CVE-2024-26256 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences