Live › vulnerability › CVE-2023-28229
Go to dashboardA flaw in the Windows CNG Key Isolation Service lets a local user gain limited SYSTEM privileges. CISA lists it as actively exploited in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Windows CNG Key Isolation Service | vendor | – | – |
| microsoft windows 10 1507 | vendor | < 10.0.10240.19869 | 10.0.10240.19869 |
| microsoft windows 10 1607 | vendor | < 10.0.14393.5850 | 10.0.14393.5850 |
| microsoft windows 10 1809 | vendor | < 10.0.17763.4252 | 10.0.17763.4252 |
| microsoft windows 10 20h2 | vendor | < 10.0.19042.2846 | 10.0.19042.2846 |
| microsoft windows 10 21h2 | vendor | < 10.0.19044.2846 | 10.0.19044.2846 |
| microsoft windows 10 22h2 | vendor | < 10.0.19045.2846 | 10.0.19045.2846 |
| microsoft windows 11 21h2 | vendor | < 10.0.22000.1817 | 10.0.22000.1817 |
| microsoft windows 11 22h2 | vendor | < 10.0.22621.1555 | 10.0.22621.1555 |
| microsoft windows server 2008 | vendor | – | – |
| microsoft windows server 2008 | vendor | = r2 | – |
| microsoft windows server 2012 | vendor | – | – |
| microsoft windows server 2012 | vendor | = r2 | – |
| microsoft windows server 2016 | vendor | – | – |
| microsoft windows server 2019 | vendor | – | – |
| microsoft windows server 2022 | vendor | – | – |
Unknown from the sources.
Apply the Microsoft update for CVE-2023-28229 per vendor instructions; the sources do not name the patched build.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain specific limited SYSTEM privileges.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
This page as .md · .json · in your agent: get_signal("CVE-2023-28229")
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