Skip to main content
CVE-2026-99024VulnerabilityPublished Updated

Microsoft · optee: register TEE devices only once fully initialized

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-99024· High

Not known to be exploited · fixed in c108feca0a096f8db25d1b69130035025e9e936d : patch Microsoft soon.

Data as of 28 Oct 2026, 08:45 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in c108feca0a096f8db25d1b69130035025e9e936d, 262062c01f5a817104c88bf6eacb7c6ffdc7018d, 681adbc9c7a820279582a295e183fa6a1d1b4ec4 +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2, < c108feca0a096f8db25d1b69130035025e9e936d
Fixed in
  • c108feca0a096f8db25d1b69130035025e9e936d
LinuxLinuxAffected
  • ≥ 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2, < 262062c01f5a817104c88bf6eacb7c6ffdc7018d
Fixed in
  • 262062c01f5a817104c88bf6eacb7c6ffdc7018d
LinuxLinuxAffected
  • ≥ 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2, < 681adbc9c7a820279582a295e183fa6a1d1b4ec4
Fixed in
  • 681adbc9c7a820279582a295e183fa6a1d1b4ec4
LinuxLinuxAffected
  • ≥ 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2, < 8cae1605be8a047ae3a62df07b9474d61462c4f6
Fixed in
  • 8cae1605be8a047ae3a62df07b9474d61462c4f6
LinuxLinuxAffected
  • ≥ 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2, < 2f7240f0a6fd83df274fc0a2abf0609b4e6bd388
Fixed in
  • 2f7240f0a6fd83df274fc0a2abf0609b4e6bd388
LinuxLinuxAffected
  • =4.12
Fixed in–

Description

This vulnerability involves the OP-TEE (Open Portable Trusted Execution Environment) component where TEE devices are registered before they are fully initialized. The issue is identified in Microsoft products versions 3.0 and 4.0. No CVSS score or detailed impact information is provided.

References

Community reviews

Loading reviews…