ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2023-36563

Microsoft WordPad Information Disclosure Vulnerability

Published Oct 10, 2023 · catalog updated Jun 16, 2026 · Microsoft WordPad

Patch now

CVE-2023-36563 is in the CISA known-exploited catalog, due Oct 31, 2023. Confirm Microsoft WordPad against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Medium5.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
20.32%
Remediation
Remediation guidance
Affected products
cpe microsoft/windows 10 1507 · cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1809 · cpe microsoft/windows 10 21h2 · vendor Microsoft WordPad

Microsoft WordPad contains an unspecified vulnerability that allows for information disclosure.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 21h2version unspecified
  • vendor Microsoft WordPadversion unspecified

How to fix CVE-2023-36563

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-36563 is in the CISA known-exploited catalog, due Oct 31, 2023. Confirm Microsoft WordPad against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-20: Improper Input Validation. EPSS 20.32%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 10, 2023 · Catalog

    Detected

    Microsoft WordPad contains an unspecified vulnerability that allows for information disclosure.

  2. Oct 10, 2023 · CISA KEV

    Known exploited

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

  3. Oct 31, 2023 · CISA KEV

    Remediation due

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

  4. Jun 16, 2026 · Catalog

    Updated

    Microsoft WordPad contains an unspecified vulnerability that allows for information disclosure.

Sources

  • CISA KEVConfirmed exploitationCVE-2023-36563

    Microsoft WordPad contains an unspecified vulnerability that allows for information disclosure.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2023-36563

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-36563

    30-day exploitation probability 20.3%

    first.org
  • NIST NVDVulnerability recordCVE-2023-36563

    Microsoft WordPad Information Disclosure Vulnerability

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2023-36563

    Microsoft WordPad contains an unspecified vulnerability that allows for information disclosure.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.