CVE-2023-36563
Published: October 10, 2023
Official Description
Microsoft WordPad contains an unspecified vulnerability that allows for information disclosure.
CISA KEV Advisory
Microsoft WordPad Information Disclosure Vulnerability
Microsoft WordPad contains an unspecified vulnerability that allows for information disclosure.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Risk Analysis
This high-severity unspecified vulnerability in Microsoft WordPad allows for information disclosure. While no CVSS score is provided, its inclusion in CISA's KEV catalog and an EPSS score of 0.02473 confirm active exploitation, making it a significant privacy risk.
This vulnerability is actively exploited in the wild and is listed in CISA's KEV catalog. The specific exploitation details are not provided, but it leads to information disclosure.
Apply the latest security updates from Microsoft for WordPad. Consider using alternative, more secure document editors if WordPad is not essential.
Technical Analysis
CVE-2023-36563 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2023-36563 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-36563 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1