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CVE-2023-21551

HIGHCVSS 7.8/10EPSS 0.43%

Last modified

CVE-2023-21551 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Microsoft Cryptographic Services Elevation of Privilege Vulnerability. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

Microsoft Cryptographic Services Elevation of Privilege Vulnerability

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.43%

34.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1809All versions
MicrosoftWindows 10 20h2All versions
MicrosoftWindows 10 21h2All versions
MicrosoftWindows 10 22h2All versions
MicrosoftWindows 11 21h2All versions
MicrosoftWindows 11 22h2All versions
MicrosoftWindows Server 2019All versions
MicrosoftWindows Server 2022All versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-21551?
Microsoft Cryptographic Services Elevation of Privilege Vulnerability
How severe is CVE-2023-21551?
CVE-2023-21551 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2023-21551?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-21551?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST