CVE-2023-36563 kev in the critical feed json
Microsoft WordPad Information Disclosure Vulnerability
published 2023-10-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-40509
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Exploited
- added 2023-10-10
- epss
- 20.3%
- EPSS 20.3% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
Microsoft WordPad Information Disclosure Vulnerability
Patch / fix
cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Microsoft Windows 10 Version 1809 10.0.17763.4974
- Microsoft Windows Server 2019 10.0.17763.4974
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.4974
- Microsoft Windows Server 2022 10.0.20348.2031
- Microsoft Windows 11 version 21H2 10.0.22000.2538
- Microsoft Windows 10 Version 21H2 10.0.19041.3570
- Microsoft Windows 11 version 22H2 10.0.22621.2428
- Microsoft Windows 10 Version 22H2 10.0.19045.3570
- Microsoft Windows 10 Version 1507 10.0.10240.20232
- Microsoft Windows 10 Version 1607 10.0.14393.6351
- Microsoft Windows Server 2016 10.0.14393.6351
- Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.6351
- Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22317
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.22317
- Microsoft Windows Server 2008 Service Pack 2 6.0.6003.22317
- Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.26769
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.26769
- Microsoft Windows Server 2012 6.2.9200.24523
- Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.24523
- Microsoft Windows Server 2012 R2 6.3.9600.21620
- Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.21620
Timeline
- Added to CISA KEV
- Published
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 3 y ago
- Patch by
- 2023-10-31 (3 y ago)
- Ransomware
- Not known
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Vendor, product
- Microsoft, WordPad
- CISA name
- Microsoft WordPad Information Disclosure Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
20.32% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | 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 |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows 11 version 21H2
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 11 version 22H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 10 Version 1507
- Microsoft Windows 10 Version 1607
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core installation)
- Microsoft Windows Server 2008 Service Pack 2
- Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)
- Microsoft Windows Server 2008 Service Pack 2
- Microsoft Windows Server 2008 R2 Service Pack 1
- Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 (Server Core installation)
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core installation)
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-36563
vendor-advisory, patch
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36563
government-resource, us-government-resource
Sources
- CVE List CVE-2023-36563
- NVD CVE-2023-36563
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.