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CVE-2026-90148VulnerabilityPublished Updated

Microsoft · NFSv4: Fix incorrect argument passed to nfs4_delete_lease() in nfs4_add_lease()

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-90148· Medium

Not known to be exploited · fixed in ff7244faa13b23e9acfad9df0438f0b44b338f62 : 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 ff7244faa13b23e9acfad9df0438f0b44b338f62, e25e5b4a764638ec9e2dc6c9affe080c922ea1f2, d179ff22cd8514f966966fd9ad425dcbb98e1ada +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 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
  • ≥ e93a5e9306a576011f03011b492d4fbaa274477b, < ff7244faa13b23e9acfad9df0438f0b44b338f62
Fixed in
  • ff7244faa13b23e9acfad9df0438f0b44b338f62
LinuxLinuxAffected
  • ≥ e93a5e9306a576011f03011b492d4fbaa274477b, < e25e5b4a764638ec9e2dc6c9affe080c922ea1f2
Fixed in
  • e25e5b4a764638ec9e2dc6c9affe080c922ea1f2
LinuxLinuxAffected
  • ≥ e93a5e9306a576011f03011b492d4fbaa274477b, < d179ff22cd8514f966966fd9ad425dcbb98e1ada
Fixed in
  • d179ff22cd8514f966966fd9ad425dcbb98e1ada
LinuxLinuxAffected
  • ≥ e93a5e9306a576011f03011b492d4fbaa274477b, < d148a652d52fd6aee96daf798922eb800ebb3018
Fixed in
  • d148a652d52fd6aee96daf798922eb800ebb3018
LinuxLinuxAffected
  • ≥ e93a5e9306a576011f03011b492d4fbaa274477b, < c951b876cccd8a4e21fe8b9712894f6a2513ddbc
Fixed in
  • c951b876cccd8a4e21fe8b9712894f6a2513ddbc
LinuxLinuxAffected
  • ≥ e93a5e9306a576011f03011b492d4fbaa274477b, < 468e458ffde907ba19acd2102ca1fbb8f6fbede2
Fixed in
  • 468e458ffde907ba19acd2102ca1fbb8f6fbede2

Description

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

References

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