CVEs / CVE-2023-28229
CVE-2023-28229: Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 4 Oct 2023
- high 7 CVSS 3.1 (from the CNA)
- EPSS 1.67% chance of exploitation in the next 30 days, higher than 76% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain specific limited SYSTEM privileges.
Description
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0, before 10.0.17763.4252 | 10.0.17763.4252 |
| Microsoft Windows 10 Version 1809 | from 10.0.0, before 10.0.17763.4252 | 10.0.17763.4252 |
| Microsoft Windows Server 2019 | from 10.0.17763.0, before 10.0.17763.4252 | 10.0.17763.4252 |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0, before 10.0.17763.4252 | 10.0.17763.4252 |
| Microsoft Windows Server 2022 | from 10.0.20348.0, before 10.0.20348.1668 | 10.0.20348.1668 |
| Microsoft Windows 10 Version 20H2 | from 10.0.0, before 10.0.19042.2846 | 10.0.19042.2846 |
| Microsoft Windows 11 version 21H2 | from 10.0.0, before 10.0.22000.1817 | 10.0.22000.1817 |
| Microsoft Windows 10 Version 21H2 | from 10.0.19043.0, before 10.0.19044.2846 | 10.0.19044.2846 |
| Microsoft Windows 11 version 22H2 | from 10.0.22621.0, before 10.0.22621.1555 | 10.0.22621.1555 |
| Microsoft Windows 10 Version 22H2 | from 10.0.19045.0, before 10.0.19045.2846 | 10.0.19045.2846 |
| Microsoft Windows 10 Version 1507 | from 10.0.10240.0, before 10.0.10240.19869 | 10.0.10240.19869 |
| Microsoft Windows 10 Version 1607 | from 10.0.14393.0, before 10.0.14393.5850 | 10.0.14393.5850 |
| Microsoft Windows Server 2016 | from 10.0.14393.0, before 10.0.14393.5850 | 10.0.14393.5850 |
| Microsoft Windows Server 2016 (Server Core installation) | from 10.0.14393.0, before 10.0.14393.5850 | 10.0.14393.5850 |
| Microsoft Windows Server 2008 Service Pack 2 | from 6.0.6003.0, before 6.0.6003.22015 | 6.0.6003.22015 |
| Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) | from 6.0.6003.0, before 6.0.6003.22015 | 6.0.6003.22015 |
| Microsoft Windows Server 2008 Service Pack 2 | from 6.0.6003.0, before 6.0.6003.22015 | 6.0.6003.22015 |
| Microsoft Windows Server 2008 R2 Service Pack 1 | from 6.1.7601.0, before 6.1.7601.26466 | 6.1.7601.26466 |
| Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) | from 6.1.7601.0, before 6.1.7601.26466 | 6.1.7601.26466 |
| Microsoft Windows Server 2012 | from 6.2.9200.0, before 6.2.9200.24216 | 6.2.9200.24216 |
| Microsoft Windows Server 2012 (Server Core installation) | from 6.2.9200.0, before 6.2.9200.24216 | 6.2.9200.24216 |
| Microsoft Windows Server 2012 R2 | from 6.3.9600.0, before 6.3.9600.20919 | 6.3.9600.20919 |
| Microsoft Windows Server 2012 R2 (Server Core installation) | from 6.3.9600.0, before 6.3.9600.20919 | 6.3.9600.20919 |
Exploitation
| In CISA KEV since | 4 Oct 2023 |
|---|---|
| Due date for US federal agencies | 25 Oct 2023 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 7 highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-591 |
References
- CVE-2023-28229 on NVD
- CVE-2023-28229 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28229 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28229 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28229 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.
This product uses data from the NVD API but is not endorsed or certified by the NVD.