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CVE-2026-97534VulnerabilityPublished Updated

Microsoft · f2fs: accurately adjust free_sections during free_segment_range

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-97534· Medium

Not known to be exploited · fixed in faeb0a20bdd113311519b598dcc075af3b6fb366 : update Microsoft when convenient.

Data as of 7 Nov 2026, 13:34 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in faeb0a20bdd113311519b598dcc075af3b6fb366, ca31116fad0954c61a0d38163cc51c48e4981b75, 64a7ed42e9766886dd7300597d90366dfb7a1e53 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 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
  • ≥ b4b10061ef98c583bcf82a4200703fbaa98c18dc, < faeb0a20bdd113311519b598dcc075af3b6fb366
Fixed in
  • faeb0a20bdd113311519b598dcc075af3b6fb366
LinuxLinuxAffected
  • ≥ b4b10061ef98c583bcf82a4200703fbaa98c18dc, < ca31116fad0954c61a0d38163cc51c48e4981b75
Fixed in
  • ca31116fad0954c61a0d38163cc51c48e4981b75
LinuxLinuxAffected
  • ≥ b4b10061ef98c583bcf82a4200703fbaa98c18dc, < 64a7ed42e9766886dd7300597d90366dfb7a1e53
Fixed in
  • 64a7ed42e9766886dd7300597d90366dfb7a1e53
LinuxLinuxAffected
  • ≥ b4b10061ef98c583bcf82a4200703fbaa98c18dc, < 9e7a744c9db8c2d33ed6ac2ff9bca9323a38b038
Fixed in
  • 9e7a744c9db8c2d33ed6ac2ff9bca9323a38b038
LinuxLinuxAffected
  • ≥ b4b10061ef98c583bcf82a4200703fbaa98c18dc, < 8c963d1738fdca400082ff5f9d99e083de4f4e70
Fixed in
  • 8c963d1738fdca400082ff5f9d99e083de4f4e70
LinuxLinuxAffected
  • ≥ b4b10061ef98c583bcf82a4200703fbaa98c18dc, < 8a123a10770d2132d046748f20f02baa8d5539a1
Fixed in
  • 8a123a10770d2132d046748f20f02baa8d5539a1

Description

A vulnerability identified as CVE-2026-97534 affects Microsoft products version 3.0 and 4.0 related to the f2fs filesystem component, specifically in the adjustment of free_sections during free_segment_range operations. No detailed impact or exploitation information is provided.

References

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