The Mach kernel, as used in operating systems including (1) Mac OS X 10.4 through 10.4.7 and (2) OpenStep before 4.2, allows local users to gain privileges via a parent process that forces an exception in a setuid child and uses Mach exception ports to modify the child's thread context and task address space in a way that causes the child to call a parent-controlled function
Published Oct 2, 2006
7.2
HIGHCVSS 2.0
EPSS 1.58%
Description
The Mach kernel, as used in operating systems including (1) Mac OS X 10.4 through 10.4.7 and (2) OpenStep before 4.2, allows local users to gain privileges via a parent process that forces an exception in a setuid child and uses Mach exception ports to modify the child's thread context and task address space in a way that causes the child to call a parent-controlled function.
Affected products
No data.
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 | 1.58% (0.01580) | 74.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.49% (0.01495) | 70.71th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.07% (0.01074) | 76.23th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.18th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.79th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.22% (0.03220) | 84.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.22% (0.03220) | 82.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.22% (0.03220) | 65.30th | v2 (v2022.01.01) |
No CWE recorded.
References (12)
- http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html vendor-advisoryx_refsource_APPLEPatch
- http://secunia.com/advisories/22187 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://securityreason.com/securityalert/1663 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1016954 vdb-entryx_refsource_SECTRACK
- http://www.kb.cert.org/vuls/id/838404 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.matasano.com/log/530/matasano-advisory-macos-x-mach-exception-server-privilege-escalation/ x_refsource_MISCVendor Advisory
- http://www.osvdb.org/29269 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/447396/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/20271 vdb-entryx_refsource_BIDPatch
- http://www.us-cert.gov/cas/techalerts/TA06-275A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2006/3852 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29281 vdb-entryx_refsource_XF
Change history (0)
No recorded changes yet.