CISA KEV · Known exploitedMedium

CVE-2023-36563

Microsoft WordPad

CVE-2023-36563 affects Microsoft WordPad. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

CVSS: 5.5
EPSS: 20.7%
CISA KEV: Listed
Published: 2023.10.11

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability20.7%

Technical severityCVSS 5.5

Vulnerability overview

CVE-2023-36563 affects Microsoft WordPad. Review the CVSS score, exploitation signals, affected versions, remediation status, and linked source material before making a change.

Affected product and versions

Product: Microsoft WordPad
Affected versions: 10.0.17763.0, 10.0.0, 10.0.20348.0, 10.0.19043.0, 10.0.22621.0, 10.0.19045.0, 10.0.10240.0, 10.0.14393.0, 6.0.6003.0, 6.1.7601.0, 6.2.9200.0, 6.3.9600.0, < 10.0.10240.20232, < 10.0.14393.6351, < 10.0.17763.4974, < 10.0.19041.3570, < 10.0.19045.3570, < 10.0.22000.2538, < 10.0.22621.2428, r2
Fixed versions: 10.0.10240.20232, 10.0.14393.6351, 10.0.17763.4974, 10.0.19041.3570, 10.0.19045.3570, 10.0.22000.2538, 10.0.22621.2428, 10.0.20348.2031

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

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

Due date: 2023.10.31

1
Identify
Confirm that Microsoft WordPad and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE: CWE-20
KEV added: 2023.10.10
Ransomware use: 미확인