Aavmker4.sys in avast! 4.8 through 4.8.1368.0 and 5.0 before 5.0.418.0 running on Windows 2000 and XP does not properly validate input to IOCTL 0xb2d60030, which allows local users to cause a denial of service (system crash) or execute arbitrary code to gain privileges via IOCTL requests using crafted kernel addresses that trigger memory corruption
Published Feb 25, 2010
7.2
HIGHCVSS 2.0
EPSS 0.93%
Description
Aavmker4.sys in avast! 4.8 through 4.8.1368.0 and 5.0 before 5.0.418.0 running on Windows 2000 and XP does not properly validate input to IOCTL 0xb2d60030, which allows local users to cause a denial of service (system crash) or execute arbitrary code to gain privileges via IOCTL requests using crafted kernel addresses that trigger memory corruption.
Affected products
No data.
- ≤ 5.0.396.0
- 4.8.1169
- 4.8.1195
- 4.8.1201
- 4.8.1227
- 4.8.1229
- 4.8.1282
- 4.8.1290
- 4.8.1296
- 4.8.1335
- 4.8.1351
- 4.8.1368.0
- ≤ 5.0.396.0
- 4.8.1169
- 4.8.1195
- 4.8.1201
- 4.8.1227
- 4.8.1229
- 4.8.1282
- 4.8.1290
- 4.8.1296
- 4.8.1335
- 4.8.1351
- 4.8.1356.0
- 4.8.1368.0
Running on/with
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.93% (0.00930) | 59.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.93% (0.00930) | 55.78th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.31% (0.00308) | 51.83th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.34th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.15th | v2 (v2022.01.01) |
References (9)
- http://forum.avast.com/index.php?topic=55484.0 x_refsource_CONFIRMVendor Advisory
- http://osvdb.org/62510 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/38677 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/38689 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.securityfocus.com/archive/1/509710/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/38363 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1023644 vdb-entryx_refsource_SECTRACK
- http://www.trapkit.de/advisories/TKADV2010-003.txt x_refsource_MISC
- http://www.vupen.com/english/advisories/2010/0449 vdb-entryx_refsource_VUPENVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://forum.avast.com/index.php?topic=55484.0 | x_refsource_CONFIRMVendor Advisory | |
| http://osvdb.org/62510 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/38677 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/38689 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.securityfocus.com/archive/1/509710/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/38363 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1023644 | vdb-entryx_refsource_SECTRACK | |
| http://www.trapkit.de/advisories/TKADV2010-003.txt | x_refsource_MISC | |
| http://www.vupen.com/english/advisories/2010/0449 | vdb-entryx_refsource_VUPENVendor Advisory |
Change history (0)
No recorded changes yet.