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CVE-2026-89642VulnerabilityPublished Updated

cifs_setsize() · cifs: call pagecache_isize_extended()

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-89642· Medium

Not known to be exploited · fixed in e1f692b6da3e632a25d0b3a99f833bb609bae1a3 : 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 e1f692b6da3e632a25d0b3a99f833bb609bae1a3, c510edb9734af1c274d18f4f31a471a166bbc7e8, 5463d96cd2e46064ceefcf861b028745a4f4c373 +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
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < e1f692b6da3e632a25d0b3a99f833bb609bae1a3
Fixed in
  • e1f692b6da3e632a25d0b3a99f833bb609bae1a3
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < c510edb9734af1c274d18f4f31a471a166bbc7e8
Fixed in
  • c510edb9734af1c274d18f4f31a471a166bbc7e8
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 5463d96cd2e46064ceefcf861b028745a4f4c373
Fixed in
  • 5463d96cd2e46064ceefcf861b028745a4f4c373
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 880e1b5883a5d78d916fa446791c48f28a16719b
Fixed in
  • 880e1b5883a5d78d916fa446791c48f28a16719b
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 40c16040783abcc240bd1b453e679ea6ca30e19e
Fixed in
  • 40c16040783abcc240bd1b453e679ea6ca30e19e
LinuxLinuxAffected
  • ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 12bafe32f09c0d24f5096154b59c347b9c6606e0
Fixed in
  • 12bafe32f09c0d24f5096154b59c347b9c6606e0

Description

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

References

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