Use-after-free vulnerability in the Client/Server Run-time Subsystem (CSRSS) in Microsoft Windows Vista does not properly handle connection resources when starting and stopping processes, which allows local users to gain privileges by opening and closing multiple ApiPort connections, which leaves a "dangling pointer" to a process data structure
Published Apr 10, 2007
7.2
HIGHCVSS 2.0
EPSS 2.69%
Description
Use-after-free vulnerability in the Client/Server Run-time Subsystem (CSRSS) in Microsoft Windows Vista does not properly handle connection resources when starting and stopping processes, which allows local users to gain privileges by opening and closing multiple ApiPort connections, which leaves a "dangling pointer" to a process data structure.
Affected products
No data.
- 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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.69% (0.02686) | 85.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.69% (0.02686) | 83.85th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.79% (0.01787) | 81.51th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00056) | 25.35th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.05% (0.00053) | 21.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00053) | 19.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.98% (0.01977) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.98% (0.01977) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.98% (0.01977) | 56.21th | v2 (v2022.01.01) |
References (13)
- http://research.eeye.com/html/advisories/published/AD20070410b.html x_refsource_MISC
- http://secunia.com/advisories/24823 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/2531 third-party-advisoryx_refsource_SREASON
- http://www.kb.cert.org/vuls/id/219848 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.osvdb.org/34008 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/465233/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/466331/100/200/threaded vendor-advisoryx_refsource_HP
- http://www.securityfocus.com/bid/23338 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1017897 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA07-100A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2007/1325 vdb-entryx_refsource_VUPENVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-021 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1524 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.