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CVE-2026-89757VulnerabilityPublished Updated

Microsoft · mm/mglru: fix and remove redundant unevictable folio handling

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-89757· Medium

Not known to be exploited · fixed in f7e698e326b239a91ea15844817551921209e826 : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:19 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in f7e698e326b239a91ea15844817551921209e826, e9f2160081a1e3ebb285bd71be3382abaeb8390a, b1d7c69e6c7d3ec47513b911ce7529e56d183dad +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 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
  • ≥ ac35a490237446b71e3b4b782b1596967edd0aa8, < f7e698e326b239a91ea15844817551921209e826
Fixed in
  • f7e698e326b239a91ea15844817551921209e826
LinuxLinuxAffected
  • ≥ ac35a490237446b71e3b4b782b1596967edd0aa8, < e9f2160081a1e3ebb285bd71be3382abaeb8390a
Fixed in
  • e9f2160081a1e3ebb285bd71be3382abaeb8390a
LinuxLinuxAffected
  • ≥ ac35a490237446b71e3b4b782b1596967edd0aa8, < b1d7c69e6c7d3ec47513b911ce7529e56d183dad
Fixed in
  • b1d7c69e6c7d3ec47513b911ce7529e56d183dad
LinuxLinuxAffected
  • ≥ ac35a490237446b71e3b4b782b1596967edd0aa8, < 49193dac48d30eee2a21da88a7262d52a7feefae
Fixed in
  • 49193dac48d30eee2a21da88a7262d52a7feefae
LinuxLinuxAffected
  • ≥ ac35a490237446b71e3b4b782b1596967edd0aa8, < 54a58d6656dd403b686b247f0bad8507cbfb45df
Fixed in
  • 54a58d6656dd403b686b247f0bad8507cbfb45df
LinuxLinuxAffected
  • ≥ ac35a490237446b71e3b4b782b1596967edd0aa8, < 15d3a2a71c8bf7333d019d249ee33669e69e4275
Fixed in
  • 15d3a2a71c8bf7333d019d249ee33669e69e4275

Description

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

References

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