CVE-2023-28229CISA KEV

Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability

Severity unknownCVSS unknownCheck the vendor advisory for fixed versions

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain specific limited SYSTEM privileges.

Product: Windows CNG Key Isolation Service
Added to KEV: 4 Oct 2023
Federal remediation due: 25 Oct 2023
Known ransomware use: Not reported

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2023-28229. The catalog has a separate collection scope from Microsoft release records.

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CVE-2023-28229 · CVE overview and exploitation status

cve-program · CVE-2023-28229

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28229

Related changes

Linked by CVE identifier

Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability · CISA KEV deadline · 25 Oct 2023
Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability · Added to CISA KEV · 4 Oct 2023