CVEs / CVE-2022-41033
CVE-2022-41033: Microsoft Windows COM+ Event System Service Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 11 Oct 2022
- high 7.8 CVSS 3.1 (from the CNA)
- EPSS 1.88% chance of exploitation in the next 30 days, higher than 79% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Windows COM+ Event System Service contains an unspecified vulnerability that allows for privilege escalation.
Description
Windows COM+ Event System Service Elevation of Privilege Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0, before 10.0.17763.3532 | 10.0.17763.3532 |
| Microsoft Windows 10 Version 1809 | from 10.0.0, before 10.0.17763.3532 | 10.0.17763.3532 |
| Microsoft Windows Server 2019 | from 10.0.17763.0, before 10.0.17763.3532 | 10.0.17763.3532 |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0, before 10.0.17763.3532 | 10.0.17763.3532 |
| Microsoft Windows 10 Version 21H1 | from 10.0.0, before 10.0.19043.2130 | 10.0.19043.2130 |
| Microsoft Windows Server 2022 | from 10.0.20348.0, before 10.0.20348.1129 | 10.0.20348.1129 |
| Microsoft Windows 10 Version 20H2 | from 10.0.0, before 10.0.19042.2130 | 10.0.19042.2130 |
| Microsoft Windows 11 version 21H2 | from 10.0.0, before 10.0.22000.1098 | 10.0.22000.1098 |
| Microsoft Windows 10 Version 21H2 | from 10.0.19043.0, before 10.0.19044.2130 | 10.0.19044.2130 |
| Microsoft Windows 11 version 22H2 | from 10.0.22621.0, before 10.0.22621.674 | 10.0.22621.674 |
| Microsoft Windows 10 Version 1507 | from 10.0.10240.0, before 10.0.10240.19507 | 10.0.10240.19507 |
| Microsoft Windows 10 Version 1607 | from 10.0.14393.0, before 10.0.14393.5427 | 10.0.14393.5427 |
| Microsoft Windows Server 2016 | from 10.0.14393.0, before 10.0.14393.5427 | 10.0.14393.5427 |
| Microsoft Windows Server 2016 (Server Core installation) | from 10.0.14393.0, before 10.0.14393.5427 | 10.0.14393.5427 |
| Microsoft Windows 7 | from 6.1.0, before 6.1.7601.26174 | 6.1.7601.26174 |
| Microsoft Windows 7 Service Pack 1 | from 6.1.0, before 6.1.7601.26174 | 6.1.7601.26174 |
| Microsoft Windows 8.1 | from 6.3.0, before 6.3.9600.20625 | 6.3.9600.20625 |
| Microsoft Windows Server 2008 Service Pack 2 | from 6.0.6003.0, before 6.0.6003.21721 | 6.0.6003.21721 |
| Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) | from 6.0.6003.0, before 6.0.6003.21721 | 6.0.6003.21721 |
| Microsoft Windows Server 2008 Service Pack 2 | from 6.0.6003.0, before 6.0.6003.21721 | 6.0.6003.21721 |
| Microsoft Windows Server 2008 R2 Service Pack 1 | from 6.1.7601.0, before 6.1.7601.26174 | 6.1.7601.26174 |
| Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) | from 6.1.7601.0, before 6.1.7601.26174 | 6.1.7601.26174 |
| Microsoft Windows Server 2012 | from 6.2.9200.0, before 6.2.9200.23920 | 6.2.9200.23920 |
| Microsoft Windows Server 2012 (Server Core installation) | from 6.2.9200.0, before 6.2.9200.23920 | 6.2.9200.23920 |
| Microsoft Windows Server 2012 R2 | from 6.3.9600.0, before 6.3.9600.20625 | 6.3.9600.20625 |
| Microsoft Windows Server 2012 R2 (Server Core installation) | from 6.3.9600.0, before 6.3.9600.20625 | 6.3.9600.20625 |
Exploitation
| In CISA KEV since | 11 Oct 2022 |
|---|---|
| Due date for US federal agencies | 1 Nov 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-843 |
References
- CVE-2022-41033 on NVD
- CVE-2022-41033 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-41033 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41033 Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41033 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41033 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
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