How severe is CVE-2023-36563?

CVE-2023-36563 has a CVSS 3.1 base score of 6.5 (MEDIUM). EPSS estimates a 20.7% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2023-36563: Microsoft WordPad Information Disclosure

CISA Known Exploited Vulnerabilities

Microsoft WordPad Information Disclosure Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-10-10

Remediation due

2023-10-31

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

CISA notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-36563; https://nvd.nist.gov/vuln/detail/CVE-2023-36563

Description

Microsoft WordPad Information Disclosure Vulnerability

Severity

CVSS 3.1 · CNA6.5 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Microsoft	Windows 10 Version 1809	10.0.17763.0 to <10.0.17763.4974
Microsoft	Windows 10 Version 1809	10.0.0 to <10.0.17763.4974
Microsoft	Windows Server 2019	10.0.17763.0 to <10.0.17763.4974
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 to <10.0.17763.4974
Microsoft	Windows Server 2022	10.0.20348.0 to <10.0.20348.2031
Microsoft	Windows 11 version 21H2	10.0.0 to <10.0.22000.2538
Microsoft	Windows 10 Version 21H2	10.0.19043.0 to <10.0.19041.3570
Microsoft	Windows 11 version 22H2	10.0.22621.0 to <10.0.22621.2428
Microsoft	Windows 10 Version 22H2	10.0.19045.0 to <10.0.19045.3570
Microsoft	Windows 10 Version 1507	10.0.10240.0 to <10.0.10240.20232
Microsoft	Windows 10 Version 1607	10.0.14393.0 to <10.0.14393.6351
Microsoft	Windows Server 2016	10.0.14393.0 to <10.0.14393.6351
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 to <10.0.14393.6351
Microsoft	Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.22317
Microsoft	Windows Server 2008 Service Pack 2 (Server Core installation)	6.0.6003.0 to <6.0.6003.22317
Microsoft	Windows Server 2008 Service Pack 2	6.0.6003.0 to <6.0.6003.22317
Microsoft	Windows Server 2008 R2 Service Pack 1	6.1.7601.0 to <6.1.7601.26769
Microsoft	Windows Server 2008 R2 Service Pack 1 (Server Core installation)	6.1.7601.0 to <6.1.7601.26769
Microsoft	Windows Server 2012	6.2.9200.0 to <6.2.9200.24523
Microsoft	Windows Server 2012 (Server Core installation)	6.2.9200.0 to <6.2.9200.24523
Microsoft	Windows Server 2012 R2	6.3.9600.0 to <6.3.9600.21620
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 to <6.3.9600.21620

References

1 Links

Vendor advisories

Microsoft WordPad Information Disclosure Vulnerability

Record Details

Published

2023-10-10

Last updated

2025-10-21

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.