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Vulnerabilities

Vulnerability · CVE-2026-96113

Heap-based buffer overflow in DNS Server allows an unauthorized attacker to execute code over a network.

Published Oct 13, 2026 · catalog updated Oct 16, 2026 · windows 10 1607

Check if you run it

No confirmed exploitation is on record for CVE-2026-96113. EPSS is 0.66%. Act only if a listed version of windows 10 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.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.66%
Remediation
Advisory link
Affected products
cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1809 · cpe microsoft/windows server 2012 · cpe microsoft/windows server 2016 · cpe microsoft/windows server 2019

Heap-based buffer overflow in DNS Server 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 1607version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows server 2012r2
  • cpe microsoft/windows server 2016version unspecified
  • cpe microsoft/windows server 2019version unspecified

How to fix CVE-2026-96113

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-2026-96113. EPSS is 0.66%. Act only if a listed version of windows 10 1607 is installed.

Which versions are affected?

Compare what you have installed with microsoft/windows server 2012 r2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-122: Heap-based Buffer Overflow; CWE-197. EPSS 0.66%. 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 · NIST NVD

    Detected

    Heap-based buffer overflow in DNS Server allows an unauthorized attacker to execute code over a network.

  2. Oct 16, 2026 · NIST NVD

    Updated

    Heap-based buffer overflow in DNS Server allows an unauthorized attacker to execute code over a network.

Sources

  • CVE.orgVulnerability recordCVE-2026-96113

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-96113

    30-day exploitation probability 0.7%

    first.org
  • NIST NVDVulnerability recordCVE-2026-96113

    Heap-based buffer overflow in DNS Server allows an unauthorized attacker to execute code over a network.

    nvd.nist.gov

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.

CVE-2026-96113: windows 10 1607 — Heap-based buffer overflow in DNS… · ZeroDay Findings