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CVE-2026-74386VulnerabilityPublished Updated

error path · nvmet-tcp: fix page fragment cache leak

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-74386· Medium

Not known to be exploited · fixed in fc11e3f0daaadb6e600a86e54b089d4662d0a464 : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:32 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in fc11e3f0daaadb6e600a86e54b089d4662d0a464, ba3209704b3cd46961e4e081af5c52a780785648, aadb8eb9006e192c51b499860f40765de7d55680 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Aug 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
  • ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < fc11e3f0daaadb6e600a86e54b089d4662d0a464
Fixed in
  • fc11e3f0daaadb6e600a86e54b089d4662d0a464
LinuxLinuxAffected
  • ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < ba3209704b3cd46961e4e081af5c52a780785648
Fixed in
  • ba3209704b3cd46961e4e081af5c52a780785648
LinuxLinuxAffected
  • ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < aadb8eb9006e192c51b499860f40765de7d55680
Fixed in
  • aadb8eb9006e192c51b499860f40765de7d55680
LinuxLinuxAffected
  • ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < a43a9abc1ebf663f0aa56a729106f68dd9c77da6
Fixed in
  • a43a9abc1ebf663f0aa56a729106f68dd9c77da6
LinuxLinuxAffected
  • ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < 5fbe83a374f09561a0f0c1f4aa021501ffd681eb
Fixed in
  • 5fbe83a374f09561a0f0c1f4aa021501ffd681eb
LinuxLinuxAffected
  • ≥ 872d26a391da92ed8f0c0f5cb5fef428067b7f30, < 4dae393956093c807212918fd91a8fc70df15338
Fixed in
  • 4dae393956093c807212918fd91a8fc70df15338

Description

A vulnerability identified as CVE-2026-74386 affects Microsoft product version 3.0, involving a page fragment cache leak in an error path within the nvmet-tcp component. The issue was published on September 23, 2026. No CVSS score or detailed impact information is provided, and there is no indication of known exploitation in the wild.

References

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