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Vulnerabilities

Vulnerability · CVE-2026-97816

Microsoft OpenSSH for Windows Remote Code Execution Vulnerability

Published Oct 13, 2026 · catalog updated Oct 16, 2026 · windows 10 1809

Check if you run it

No confirmed exploitation is on record for CVE-2026-97816. EPSS is 0.89%. Act only if a listed version of windows 10 1809 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.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.89%
Remediation
Advisory link
Affected products
cpe microsoft/windows 10 1809 · cpe microsoft/windows 10 21h2 · cpe microsoft/windows 10 22h2 · vendor Microsoft Windows 10 Version 1809 · vendor Microsoft Windows 10 Version 21H2 · vendor Microsoft Windows 10 Version 22H2

Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code 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.

  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 21h2version unspecified
  • cpe microsoft/windows 10 22h2version 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
  • vendor Microsoft Windows 11 version 26H1version unspecified

How to fix CVE-2026-97816

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-2026-97816. EPSS is 0.89%. Act only if a listed version of windows 10 1809 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-416: Use After Free. EPSS 0.89%. 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 13, 2026 · CIRCL Vulnerability Lookup

    Detected

    Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

  2. Oct 15, 2026 · CIRCL Vulnerability Lookup

    Updated

    Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

  3. Oct 16, 2026 · NIST NVD

    Updated

    Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

Sources

  • CIRCL Vulnerability LookupVulnerability recordCVE-2026-97816

    Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

    vulnerability.circl.lu
  • CVE.orgVulnerability recordCVE-2026-97816

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-97816

    30-day exploitation probability 0.9%

    first.org
  • NIST NVDVulnerability recordCVE-2026-97816

    Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

    nvd.nist.gov
  • Tenable CVE DatabaseVulnerability recordCVE-2026-97816

    Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

    tenable.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.