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CVE-2026-99249VulnerabilityPublished Updated

Microsoft · pid_namespace: make zap_pid_ns_processes() freezable

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99249· Medium

Not known to be exploited · fixed in e8dafad7de9ede813af2d48cc04b7c88fef16682 : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:18 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e8dafad7de9ede813af2d48cc04b7c88fef16682, 81933038f5e273d17ed22792f906889393b204c5, 064a6761d6f6ac55d090d3eaca649577ee736713 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 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
  • ≥ 3eb07c8c8adb6f0572baba844ba2d9e501654316, < e8dafad7de9ede813af2d48cc04b7c88fef16682
Fixed in
  • e8dafad7de9ede813af2d48cc04b7c88fef16682
LinuxLinuxAffected
  • ≥ 3eb07c8c8adb6f0572baba844ba2d9e501654316, < 81933038f5e273d17ed22792f906889393b204c5
Fixed in
  • 81933038f5e273d17ed22792f906889393b204c5
LinuxLinuxAffected
  • ≥ 3eb07c8c8adb6f0572baba844ba2d9e501654316, < 064a6761d6f6ac55d090d3eaca649577ee736713
Fixed in
  • 064a6761d6f6ac55d090d3eaca649577ee736713
LinuxLinuxAffected
  • ≥ 3eb07c8c8adb6f0572baba844ba2d9e501654316, < 7deb5770840339fe88755bf27b92f74edc26ee87
Fixed in
  • 7deb5770840339fe88755bf27b92f74edc26ee87
LinuxLinuxAffected
  • ≥ 3eb07c8c8adb6f0572baba844ba2d9e501654316, < 4b47107f1a80c809c80093e872bcaccdbae13db4
Fixed in
  • 4b47107f1a80c809c80093e872bcaccdbae13db4
LinuxLinuxAffected
  • ≥ 3eb07c8c8adb6f0572baba844ba2d9e501654316, < 2e10b8a74f55b5aae33db105d3e2d3ae759c865a
Fixed in
  • 2e10b8a74f55b5aae33db105d3e2d3ae759c865a

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

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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