The Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2 and SP3, Server 2003 SP2, Vista SP2, and Server 2008 SP2, when a Chinese, Japanese, or Korean system locale is used, can access uninitialized memory during the processing of Unicode characters, which allows local users to gain privileges via a crafted application, aka "CSRSS Elevation of Privilege Vulnerability."
Published Jan 10, 2012
6.9
MEDIUMCVSS 2.0
EPSS 1.73%
Description
The Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2 and SP3, Server 2003 SP2, Vista SP2, and Server 2008 SP2, when a Chinese, Japanese, or Korean system locale is used, can access uninitialized memory during the processing of Unicode characters, which allows local users to gain privileges via a crafted application, aka "CSRSS Elevation of Privilege Vulnerability."
Affected products
No data.
- n/a
- n/a
- n/a
- n/a
- n/a
- 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:M/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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.73% (0.01732) | 76.80th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.80% (0.01797) | 75.53th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.35% (0.04350) | 87.87th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.41% (0.01408) | 68.47th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.43% (0.04434) | 88.29th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.16% (0.00160) | 53.98th | v3 (v2023.03.01) |
| May 18, 2024 | 0.27% (0.00273) | 67.89th | v3 (v2023.03.01) |
| Mar 24, 2024 | 0.39% (0.00392) | 72.84th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.37% (0.00369) | 71.80th | v3 (v2023.03.01) |
| Jan 29, 2024 | 0.37% (0.00369) | 69.79th | v3 (v2023.03.01) |
| Dec 6, 2023 | 0.33% (0.00328) | 67.65th | v3 (v2023.03.01) |
| Oct 9, 2023 | 0.18% (0.00185) | 55.37th | v3 (v2023.03.01) |
| Aug 10, 2023 | 0.24% (0.00240) | 61.22th | v3 (v2023.03.01) |
| Jun 7, 2023 | 0.25% (0.00247) | 61.30th | v3 (v2023.03.01) |
| Apr 5, 2023 | 0.27% (0.00268) | 62.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00228) | 59.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.02% (0.02016) | 79.31th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.02% (0.02016) | 77.46th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.02% (0.02016) | 56.42th | v2 (v2022.01.01) |
References (6)
- http://secunia.com/advisories/47479 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/51270 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1026495 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA12-010A.html third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-003 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14879 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/47479 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/51270 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1026495 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA12-010A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-003 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14879 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.