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CVE-2026-97558VulnerabilityPublished Updated

deferred close · smb: client: fix cifsFileInfo reference leak

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-97558· Low

Not known to be exploited · fixed in ea93759d6c2789924f4e557aed5be532207715ea : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:19 UTC

Severity
Low

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in ea93759d6c2789924f4e557aed5be532207715ea, bbeb7a42c9ea656e17ddcbdc2d7917aa853383a6, a6767712902beb0f53238be485971c9a83ea1079 +4

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
  • ≥ c3f207ab29f793b8c942ce8067ed123f18d5b81b, < ea93759d6c2789924f4e557aed5be532207715ea
Fixed in
  • ea93759d6c2789924f4e557aed5be532207715ea
LinuxLinuxAffected
  • ≥ c3f207ab29f793b8c942ce8067ed123f18d5b81b, < bbeb7a42c9ea656e17ddcbdc2d7917aa853383a6
Fixed in
  • bbeb7a42c9ea656e17ddcbdc2d7917aa853383a6
LinuxLinuxAffected
  • ≥ c3f207ab29f793b8c942ce8067ed123f18d5b81b, < a6767712902beb0f53238be485971c9a83ea1079
Fixed in
  • a6767712902beb0f53238be485971c9a83ea1079
LinuxLinuxAffected
  • ≥ c3f207ab29f793b8c942ce8067ed123f18d5b81b, < 5520e89a5a4f834bced64cf2ac927001cc513a40
Fixed in
  • 5520e89a5a4f834bced64cf2ac927001cc513a40
LinuxLinuxAffected
  • ≥ c3f207ab29f793b8c942ce8067ed123f18d5b81b, < 645a7359c1f740152464edf84f1030e0cad42c9d
Fixed in
  • 645a7359c1f740152464edf84f1030e0cad42c9d
LinuxLinuxAffected
  • ≥ c3f207ab29f793b8c942ce8067ed123f18d5b81b, < 525c225e23d61694091f2806de553a69362a78ff
Fixed in
  • 525c225e23d61694091f2806de553a69362a78ff

Description

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

References

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