Home/CVE/Kerberos AppContainer Security Feature Bypass Vulnerability
CVE

CVE-2021-31962

Kerberos AppContainer Security Feature Bypass Vulnerability

Kerberos AppContainer Security Feature Bypass Vulnerability.

CRITICAL · CVSS 9.4 EPSS 0.17791
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 5% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

8
microsoft windows 10all versions
microsoft windows 7all versions
microsoft windows 8.1all versions
microsoft windows rt 8.1all versions
microsoft windows server 2008all versions
microsoft windows server 2012all versions
microsoft windows server 2016all versions
microsoft windows server 2019all versions
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · Windows-Kerberos-AppContainer-Enterprise-Authentication-C...packetstormsecurity.com
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Scoring & Timeline

9.4
CRITICAL · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Jun 2021 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
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Vendor Advisories

1
msrcCVE-2021-31962Security Feature Bypass
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31962PatchVendor Advisory
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