The SfnLOGONNOTIFY function in win32k.sys in the kernel in Microsoft Windows 2000, XP, and Server 2003 allows local users to cause a denial of service (system crash) via a 0x4c value in the second argument (aka the Msg argument) of a PostMessage function call for the DDEMLEvent window
Published May 5, 2010
4.9
MEDIUMCVSS 2.0
EPSS 2.49%
Description
The SfnLOGONNOTIFY function in win32k.sys in the kernel in Microsoft Windows 2000, XP, and Server 2003 allows local users to cause a denial of service (system crash) via a 0x4c value in the second argument (aka the Msg argument) of a PostMessage function call for the DDEMLEvent window.
Affected products
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- sp3
- sp3
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:N/I:N/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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.49% (0.02491) | 84.08th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.49% (0.02491) | 82.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.84% (0.00842) | 73.12th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.90th | v3 (v2023.03.01) |
| Jul 3, 2024 | 0.04% (0.00044) | 10.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.28% (0.02283) | 81.39th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.28% (0.02283) | 79.63th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.28% (0.02283) | 58.19th | v2 (v2022.01.01) |
References (4)
- http://secunia.com/advisories/39456 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://vigilance.fr/vulnerability/Windows-denials-of-service-of-win32k-sys-9607 x_refsource_MISCExploit
- http://www.securityfocus.com/archive/1/510884/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/39630 vdb-entryx_refsource_BIDExploit
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/39456 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://vigilance.fr/vulnerability/Windows-denials-of-service-of-win32k-sys-9607 | x_refsource_MISCExploit | |
| http://www.securityfocus.com/archive/1/510884/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/39630 | vdb-entryx_refsource_BIDExploit |
Change history (0)
No recorded changes yet.