What is CVE-2023-28229?

CVE-2023-28229 is a high-severity vulnerability in Microsoft Windows 10 Version 1507, classified under CWE-591. CVSS score: 7.0/10. Published 2023-04-11.

How severe is CVE-2023-28229?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2023-28229 known to be exploited?

Yes. CVE-2023-28229 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-10-04), indicating it is being actively exploited. 15 public proof-of-concept repositories are indexed.

Vulnerability in Microsoft Windows 10 Version 1507

CVE-2023-28229

Windows CNG Key Isolation Service Elevation of Privilege Vulnerability

EPSS: 0.086 (92.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.

Affected products

Microsoft Windows 10 Version 1507 — versions 10.0.10240.0
Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
Microsoft Windows 10 Version 1809 — versions 10.0.17763.0, 10.0.0
Microsoft Windows 10 Version 20h2 — versions 10.0.0
Microsoft Windows 10 Version 21h2 — versions 10.0.19043.0
Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0
Microsoft Windows 11 Version 21h2 — versions 10.0.0
Microsoft Windows 11 Version 22h2 — versions 10.0.22621.0
Microsoft Windows Server 2008 R2 Service Pack 1 — versions 6.1.7601.0
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core Installation) — versions 6.1.7601.0

Weakness classification (CWE)

CWE-591

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2023-10-04. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2023-10-25.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

Windows CNG Key Isolation Service Elevation of Privilege Vulnerability (vendor-advisory)

Frequently asked questions

What is CVE-2023-28229?: CVE-2023-28229 is a high-severity vulnerability in Microsoft Windows 10 Version 1507, classified under CWE-591. CVSS score: 7.0/10. Published 2023-04-11.
How severe is CVE-2023-28229?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2023-28229 known to be exploited?: Yes. CVE-2023-28229 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-10-04), indicating it is being actively exploited. 15 public proof-of-concept repositories are indexed.