Stack-based buffer overflow in msiexec.exe 3.1.4000.1823 and 4.5.6001.22159 in Microsoft…
Priority MEDIUM 51CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Stack-based buffer overflow in msiexec.exe 3.1.4000.1823 and 4.5.6001.22159 in Microsoft Windows Installer allows context-dependent attackers to execute arbitrary code via a long GUID value for the /x (aka /uninstall) option. NOTE: this issue might cross privilege boundaries if msiexec.exe is reachable via components such as ActiveX controls, and might additionally require a separate vulnerability in the control.
Why it matters now
EPSS 0.08494 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:windows_installer:*:*:*:*:*:*:*:* | all versions | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:windows_installer:3.1.4000.1823:*:*:*:*:*:*:* | 3.1.4000.1823 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:windows_installer:4.5.6001.22159:*:*:*:*:*:*:* | 4.5.6001.22159 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:windows_installer:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:windows_installer:3.1.4000.1823:*:*:*:*:*:*:* Versions 3.1.4000.1823 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:windows_installer:4.5.6001.22159:*:*:*:*:*:*:* Versions 4.5.6001.22159 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-2547
- 2026-10-03 Alias added: GHSA-w4j8-hmfc-m6g9
- 2026-10-21 EPSS moved to the 95th–99th percentile
- 2026-10-25 EPSS moved to the 90th–95th percentile
- 2026-10-27 EPSS moved to the 95th–99th percentile
References
Sources
- CVE-2008-2547 · CVE Program
- CVE-2008-2547 · NVD
- FIRST EPSS
- GHSA-w4j8-hmfc-m6g9 · GitHub Advisory Database · CC BY 4.0
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