aavmker4.sys in avast! Home and Professional 4.7 for Windows does not properly validate…
Priority LOW 31CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- 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-264.
Summary
aavmker4.sys in avast! Home and Professional 4.7 for Windows does not properly validate input to IOCTL 0xb2d60030, which allows local users to gain privileges via certain IOCTL requests.
Why it matters now
EPSS 0.00708 53rd percentileScored 2026-11-07
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 · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:avast:avast_antivirus_home:4.7.827:*:windows:*:*:*:*:* | 4.7.827 | Vulnerable | Avast |
| cpe:2.3:a:avast:avast_antivirus_home:4.7.844:*:windows:*:*:*:*:* | 4.7.844 | Vulnerable | Avast |
| cpe:2.3:a:avast:avast_antivirus_home:4.7.869:*:windows:*:*:*:*:* | 4.7.869 | Vulnerable | Avast |
| cpe:2.3:a:avast:avast_antivirus_home:4.7.1043:*:windows:*:*:*:*:* | 4.7.1043 | Vulnerable | Avast |
| cpe:2.3:a:avast:avast_antivirus_home:4.7.1098:*:windows:*:*:*:*:* | 4.7.1098 | Vulnerable | Avast |
| cpe:2.3:a:avast:avast_antivirus_professional:4.7.827:*:windows:*:*:*:*:* | 4.7.827 | Vulnerable | Avast |
| cpe:2.3:a:avast:avast_antivirus_professional:4.7.844:*:windows:*:*:*:*:* | 4.7.844 | Vulnerable | Avast |
| cpe:2.3:a:avast:avast_antivirus_professional:4.7.1043:*:windows:*:*:*:*:* | 4.7.1043 | Vulnerable | Avast |
| cpe:2.3:a:avast:avast_antivirus_professional:4.7.1098:*:windows:*:*:*:*:* | 4.7.1098 | Vulnerable | Avast |
- cpe:2.3:a:avast:avast_antivirus_home:4.7.827:*:windows:*:*:*:*:* Versions 4.7.827 Vulnerable ·Avast
- cpe:2.3:a:avast:avast_antivirus_home:4.7.844:*:windows:*:*:*:*:* Versions 4.7.844 Vulnerable ·Avast
- cpe:2.3:a:avast:avast_antivirus_home:4.7.869:*:windows:*:*:*:*:* Versions 4.7.869 Vulnerable ·Avast
- cpe:2.3:a:avast:avast_antivirus_home:4.7.1043:*:windows:*:*:*:*:* Versions 4.7.1043 Vulnerable ·Avast
- cpe:2.3:a:avast:avast_antivirus_home:4.7.1098:*:windows:*:*:*:*:* Versions 4.7.1098 Vulnerable ·Avast
- cpe:2.3:a:avast:avast_antivirus_professional:4.7.827:*:windows:*:*:*:*:* Versions 4.7.827 Vulnerable ·Avast
- cpe:2.3:a:avast:avast_antivirus_professional:4.7.844:*:windows:*:*:*:*:* Versions 4.7.844 Vulnerable ·Avast
- cpe:2.3:a:avast:avast_antivirus_professional:4.7.1043:*:windows:*:*:*:*:* Versions 4.7.1043 Vulnerable ·Avast
- cpe:2.3:a:avast:avast_antivirus_professional:4.7.1098:*:windows:*:*:*:*:* Versions 4.7.1098 Vulnerable ·Avast
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-1625
- 2026-10-03 Alias added: GHSA-wr6q-9jvw-7c6w
References
More Avast Antivirus Home vulnerabilities
- TI-2007-01612 unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote… CVSS 2.0HIGH 7.8
- TI-2009-03840 Heap-based buffer overflow in aswRdr.sys (aka the TDI RDR driver) in avast! Home and… CVSS 2.0HIGH 7.2
- TI-2010-00673 Aavmker4.sys in avast! 4.8 through 4.8.1368.0 and 5.0 before 5.0.418.0 running on Windows… CVSS 2.0HIGH 7.2
- TI-2009-03360 Stack-based buffer overflow in aswMon2.sys in avast! Home and Professional for Windows… CVSS 2.0HIGH 7.2
- TI-2007-05973 Unspecified vulnerability in avast! 4 Home and Professional Editions before 4.7.1098… CVSS 2.0MEDIUM 6.8
- TI-2009-03362 Unspecified vulnerability in ashWsFtr.dll in avast! Home and Professional for Windows… CVSS 2.0HIGH 7.2
Sources
- CVE-2008-1625 · CVE Program
- CVE-2008-1625 · NVD
- FIRST EPSS
- GHSA-wr6q-9jvw-7c6w · 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