CVE-2023-21687

Medium (5.5) in microsoft. EPSS 0.5% chance of exploitation in the next 30 days.

EPSS

0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)

CWEs

CWE-668, CWE-125

Published

2023-02-14

Modified

2026-08-19

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:windows_11_21h2
• microsoft:windows_11_22h2
• microsoft:windows_server_2022

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21687
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21687

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