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Vulnerabilities

Vulnerability · CVE-2026-20936

Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack.

Published Jan 13, 2026 · catalog updated Jul 30, 2026 · Microsoft Windows Server 2008 Service Pack 2

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-20936. EPSS is 0.48%. Act only if a listed version of Microsoft Windows Server 2008 Service Pack 2 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.48%
Remediation
Version ranges on file
Affected products
vendor Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 <6.0.6003.23717

Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack.

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 Server 2008 Service Pack 2 6.0.6003.0 <6.0.6003.237176.0.6003.0 <6.0.6003.23717

How to fix CVE-2026-20936

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-2026-20936. EPSS is 0.48%. Act only if a listed version of Microsoft Windows Server 2008 Service Pack 2 is installed.

Which versions are affected?

Compare what you have installed with Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 <6.0.6003.23717 6.0.6003.0 <6.0.6003.23717. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.48%. 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. Jan 13, 2026 · EUVD

    Detected

    Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack.

  2. Jul 30, 2026 · EUVD

    Updated

    Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack.

Sources

  • CVE.orgVulnerability recordCVE-2026-20936

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-20936

    30-day exploitation probability 0.48%

    first.org
  • EUVDVulnerability recordEUVD-2026-2125

    Out-of-bounds read in Windows NDIS allows an authorized attacker to disclose information with a physical attack.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 29, 2026
  • EUVDOct 29, 2026