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CVE-2026-99223VulnerabilityPublished Updated

Microsoft · keys: make keyring indexes independent of kernel addresses

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99223· High

Not known to be exploited · fixed in e108b22999edbc6f431466baf6b2016c19b7ed31 : 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 e108b22999edbc6f431466baf6b2016c19b7ed31, de891c73c1cf41ac8de12c07fa2c84d6a912ad0c, a113eba06bd1183c614d7994864d6e7054140cb9 +6

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
  • ≥ b2a4df200d570b2c33a57e1ebfa5896e4bc81b69, < e108b22999edbc6f431466baf6b2016c19b7ed31
Fixed in
  • e108b22999edbc6f431466baf6b2016c19b7ed31
LinuxLinuxAffected
  • ≥ b2a4df200d570b2c33a57e1ebfa5896e4bc81b69, < de891c73c1cf41ac8de12c07fa2c84d6a912ad0c
Fixed in
  • de891c73c1cf41ac8de12c07fa2c84d6a912ad0c
LinuxLinuxAffected
  • ≥ b2a4df200d570b2c33a57e1ebfa5896e4bc81b69, < a113eba06bd1183c614d7994864d6e7054140cb9
Fixed in
  • a113eba06bd1183c614d7994864d6e7054140cb9
LinuxLinuxAffected
  • ≥ b2a4df200d570b2c33a57e1ebfa5896e4bc81b69, < 8451d4a4c43127c3b9fdf9fc9ff3fea5539a61f9
Fixed in
  • 8451d4a4c43127c3b9fdf9fc9ff3fea5539a61f9
LinuxLinuxAffected
  • ≥ b2a4df200d570b2c33a57e1ebfa5896e4bc81b69, < 84f7c699f8d139f743c7dc11ef41d085690955bb
Fixed in
  • 84f7c699f8d139f743c7dc11ef41d085690955bb
LinuxLinuxAffected
  • ≥ b2a4df200d570b2c33a57e1ebfa5896e4bc81b69, < 61ac0585d9f4344d3dfb84b5edff1fee7d532897
Fixed in
  • 61ac0585d9f4344d3dfb84b5edff1fee7d532897

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

CVE-2026-99223 concerns a vulnerability related to keyring indexes and their dependency on kernel addresses. The information provided is minimal and does not detail the nature or impact of the vulnerability. The affected product is Microsoft software version 3.0. No CVSS score or detailed technical impact is provided.

References

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