Microsoft Bitlocker in Windows Vista before SP1 stores pre-boot authentication passwords…
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.
Summary
Microsoft Bitlocker in Windows Vista before SP1 stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer during boot, which allows local users to obtain sensitive information by reading the physical memory locations associated with this buffer.
Why it matters now
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-3893
- 2026-10-03 Alias added: GHSA-7wvg-9w7x-48xm
References
More Microsoft Windows Vista vulnerabilities
- TI-2008-04072 The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and… KEVCVSS 3.1CRITICAL 9.8
- TI-2016-06245 atmfd.dll in the Windows font library in Microsoft Windows Vista SP2, Windows Server 2008… KEVCVSS 3.1HIGH 8.8
- TI-2015-02132 Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft… KEVCVSS 3.1HIGH 8.8
- TI-2015-02077 win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 SP2… KEVCVSS 3.1HIGH 8.8
- TI-2014-05208 OleAut32.dll in OLE in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows… KEVCVSS 3.1HIGH 8.8
- TI-2014-03387 win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2008-3893 · CVE Program
- CVE-2008-3893 · NVD
- FIRST EPSS
- GHSA-7wvg-9w7x-48xm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences