CVE-2023-36563
Microsoft WordPad Information Disclosure Vulnerability
Microsoft WordPad Information Disclosure Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:CExploitation Context
as of October 15, 2026- CISA added CVE-2023-36563 to the KEV catalog on the day its CVE record was published. The median for entries added in 2023 is 12 days.
- It is one of 391 Microsoft entries in the CISA KEV catalog, and one of 27 added in 2023.
- Its current EPSS score (20.3%) is higher than that of 35% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Microsoft Windows 10 Version 1809 | 10.0.17763.0 to <10.0.17763.4974 |
| Microsoft | Microsoft Windows 10 Version 1809 | 10.0.0 to <10.0.17763.4974 |
| Microsoft | Microsoft Windows Server 2019 | 10.0.17763.0 to <10.0.17763.4974 |
| Microsoft | Microsoft Windows Server 2019 (Server Core installation) | 10.0.17763.0 to <10.0.17763.4974 |
| Microsoft | Microsoft Windows Server 2022 | 10.0.20348.0 to <10.0.20348.2031 |
| Microsoft | Microsoft Windows 11 version 21H2 | 10.0.0 to <10.0.22000.2538 |
| Microsoft | Microsoft Windows 10 Version 21H2 | 10.0.19043.0 to <10.0.19041.3570 |
| Microsoft | Microsoft Windows 11 version 22H2 | 10.0.22621.0 to <10.0.22621.2428 |
| Microsoft | Microsoft Windows 10 Version 22H2 | 10.0.19045.0 to <10.0.19045.3570 |
| Microsoft | Microsoft Windows 10 Version 1507 | 10.0.10240.0 to <10.0.10240.20232 |
| Microsoft | Microsoft Windows 10 Version 1607 | 10.0.14393.0 to <10.0.14393.6351 |
| Microsoft | Microsoft Windows Server 2016 | 10.0.14393.0 to <10.0.14393.6351 |
| Microsoft | Microsoft Windows Server 2016 (Server Core installation) | 10.0.14393.0 to <10.0.14393.6351 |
| Microsoft | Microsoft Windows Server 2008 Service Pack 2 | 6.0.6003.0 to <6.0.6003.22317 |
| Microsoft | Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) | 6.0.6003.0 to <6.0.6003.22317 |
| Microsoft | Microsoft Windows Server 2008 Service Pack 2 | 6.0.6003.0 to <6.0.6003.22317 |
| Microsoft | Microsoft Windows Server 2008 R2 Service Pack 1 | 6.1.7601.0 to <6.1.7601.26769 |
| Microsoft | Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.1.7601.0 to <6.1.7601.26769 |
| Microsoft | Microsoft Windows Server 2012 | 6.2.9200.0 to <6.2.9200.24523 |
| Microsoft | Microsoft Windows Server 2012 (Server Core installation) | 6.2.9200.0 to <6.2.9200.24523 |
| Microsoft | Microsoft Windows Server 2012 R2 | 6.3.9600.0 to <6.3.9600.21620 |
| Microsoft | Microsoft Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 to <6.3.9600.21620 |
References
1 LinksRecord Details
More from Microsoft
Microsoft HTTP.sys Remote Code Execution Vulnerability
Microsoft Remote Desktop Services Remote Code Execution Vulnerability
Microsoft SharePoint Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
Related
Tool categories
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.