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Vulnerabilities

Vulnerability · CVE-2026-88137

WebDAV Information Disclosure Vulnerability

Published Oct 13, 2026 · catalog updated Oct 31, 2026 · Microsoft Windows 10 Version 1607

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-88137. EPSS is 0.95%. Act only if a listed version of Microsoft Windows 10 Version 1607 is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.95%
Remediation
Advisory link
Affected products
vendor Microsoft Windows 10 Version 1607 · vendor Microsoft Windows 10 Version 1809 · vendor Microsoft Windows 10 Version 21H2 · vendor Microsoft Windows 10 Version 22H2 · vendor Microsoft Windows 11 Version 23H2 · vendor Microsoft Windows 11 Version 24H2

Files or directories accessible to external parties in WebDAV allows an authorized attacker to disclose information over a network.

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.

  • vendor Microsoft Windows 10 Version 1607version unspecified
  • vendor Microsoft Windows 10 Version 1809version unspecified
  • vendor Microsoft Windows 10 Version 21H2version unspecified
  • vendor Microsoft Windows 10 Version 22H2version unspecified
  • vendor Microsoft Windows 11 Version 23H2version unspecified
  • vendor Microsoft Windows 11 Version 24H2version unspecified
  • vendor Microsoft Windows 11 Version 25H2version unspecified
  • vendor Microsoft Windows 11 version 23H2version unspecified

How to fix CVE-2026-88137

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

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

Should you patch?

No confirmed exploitation is on record for CVE-2026-88137. EPSS is 0.95%. Act only if a listed version of Microsoft Windows 10 Version 1607 is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-552: Files or Directories Accessible to External Parties. EPSS 0.95%. There is no CISA KEV listing. 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 31, 2026 · Tenable CVE Database

    Detected

    Files or directories accessible to external parties in WebDAV allows an authorized attacker to disclose information over a network.

  2. Oct 31, 2026 · CVE.org

    Updated

    Files or directories accessible to external parties in WebDAV allows an authorized attacker to disclose information over a network.

Sources

  • CVE.orgVulnerability recordCVE-2026-88137

    Files or directories accessible to external parties in WebDAV allows an authorized attacker to disclose information over a network.

    cve.org
  • Tenable CVE DatabaseVulnerability recordCVE-2026-88137

    Files or directories accessible to external parties in WebDAV allows an authorized attacker to disclose information over a network.

    tenable.com

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 2, 2026
  • Tenable CVE DatabaseNov 1, 2026