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CVE-2026-89962VulnerabilityPublished Updated

Microsoft · powerpc/kexec_file: Prevent kexec range truncation

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-89962· High

Not known to be exploited · fixed in ffbdc2a3834a3e47bac7236a71bbc82b45c83832 : patch Microsoft soon.

Data as of 7 Nov 2026, 12:19 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in ffbdc2a3834a3e47bac7236a71bbc82b45c83832, fa40f9dbdd4af53e7445d9135b5b207eb8adf372, da88a2a2119e4fd0e8919a7a2448682f574e1545 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 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
  • ≥ 180adfc532a83c1d74146449f7385f767d4b8059, < ffbdc2a3834a3e47bac7236a71bbc82b45c83832
Fixed in
  • ffbdc2a3834a3e47bac7236a71bbc82b45c83832
LinuxLinuxAffected
  • ≥ 180adfc532a83c1d74146449f7385f767d4b8059, < fa40f9dbdd4af53e7445d9135b5b207eb8adf372
Fixed in
  • fa40f9dbdd4af53e7445d9135b5b207eb8adf372
LinuxLinuxAffected
  • ≥ 180adfc532a83c1d74146449f7385f767d4b8059, < da88a2a2119e4fd0e8919a7a2448682f574e1545
Fixed in
  • da88a2a2119e4fd0e8919a7a2448682f574e1545
LinuxLinuxAffected
  • ≥ 180adfc532a83c1d74146449f7385f767d4b8059, < c4cb547f26d9b73b489c5278d0c8db837c5a174f
Fixed in
  • c4cb547f26d9b73b489c5278d0c8db837c5a174f
LinuxLinuxAffected
  • ≥ 180adfc532a83c1d74146449f7385f767d4b8059, < 9ef63622e6cee588ea4b763a6afc87065254b36a
Fixed in
  • 9ef63622e6cee588ea4b763a6afc87065254b36a
LinuxLinuxAffected
  • ≥ 180adfc532a83c1d74146449f7385f767d4b8059, < 1b9f9d566a5826da373dce7fe8958a4f23e86019
Fixed in
  • 1b9f9d566a5826da373dce7fe8958a4f23e86019

Description

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

References

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