Skip to main content
CVE-2026-99221VulnerabilityPublished Updated

Microsoft · keys/trusted_keys: return immediately after TPM unseal failure

Affects MicrosoftSource GCVE Database

0
Compare
Authoritative record:CVE-2026-99221· High

Not known to be exploited · fixed in f92d0ccb05bf9089072cb067dda0dffd5394c4ef : patch Microsoft soon.

Data as of 7 Nov 2026, 13:02 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in f92d0ccb05bf9089072cb067dda0dffd5394c4ef, ed697a5f667435bbb1cedbe5bd9f300de645047d, e55d48f21f591a9fe80d26b5fbd1912ea725d9e6 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 2 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 5d0682be318910e028bdf57c90a1695ffc34be37, < f92d0ccb05bf9089072cb067dda0dffd5394c4ef
Fixed in
  • f92d0ccb05bf9089072cb067dda0dffd5394c4ef
LinuxLinuxAffected
  • ≥ 5d0682be318910e028bdf57c90a1695ffc34be37, < ed697a5f667435bbb1cedbe5bd9f300de645047d
Fixed in
  • ed697a5f667435bbb1cedbe5bd9f300de645047d
LinuxLinuxAffected
  • ≥ 5d0682be318910e028bdf57c90a1695ffc34be37, < e55d48f21f591a9fe80d26b5fbd1912ea725d9e6
Fixed in
  • e55d48f21f591a9fe80d26b5fbd1912ea725d9e6
LinuxLinuxAffected
  • ≥ 5d0682be318910e028bdf57c90a1695ffc34be37, < 4876f09ce222e140a73aad950882b3605440c935
Fixed in
  • 4876f09ce222e140a73aad950882b3605440c935
LinuxLinuxAffected
  • ≥ 5d0682be318910e028bdf57c90a1695ffc34be37, < 234d09bb3b3d84851d4b3246272addc30f3353eb
Fixed in
  • 234d09bb3b3d84851d4b3246272addc30f3353eb
LinuxLinuxAffected
  • ≥ 5d0682be318910e028bdf57c90a1695ffc34be37, < 63b19ec2863b2cb5279b746ecd3d6210b1a93945
Fixed in
  • 63b19ec2863b2cb5279b746ecd3d6210b1a93945

Description

This vulnerability involves the keys/trusted_keys component in Microsoft software, where the process returns immediately after a TPM unseal failure. The advisory does not provide further technical details or impact information.

References

Community reviews

Loading reviews…