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CVE-2023-36563

Medium CVSS 6.5 Known exploited

Published 2023-10-10 · last changed 2026-06-17 · added to CISA KEV 2023-10-10

This one is being exploited in the wild.

CISA added CVE-2023-36563 to the Known Exploited Vulnerabilities catalog on 2023-10-10. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2023-36563, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Microsoft WordPad Information Disclosure Vulnerability

Sources

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