Skip to main content
CVE-2026-98777VulnerabilityPublished Updated

Microsoft · binder: fix leaked fd fixups on TF_UPDATE_TXN supersede

Affects MicrosoftSource GCVE Database

0
Authoritative record:CVE-2026-98777· Medium

Not known to be exploited · fixed in c4c02084d6687d5cd5edccaf52cc45e5160f1184 : update Microsoft when convenient.

Data as of 28 Oct 2026, 09:28 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in c4c02084d6687d5cd5edccaf52cc45e5160f1184, a7329ea53d04f0c6135d02905810cd6f42acdf45, 6673f4f21e2fddfed0abe1eb9045cc958e6db130 +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 9864bb4801331daa48514face9d0f4861e4d485b, < c4c02084d6687d5cd5edccaf52cc45e5160f1184
Fixed in
  • c4c02084d6687d5cd5edccaf52cc45e5160f1184
LinuxLinuxAffected
  • ≥ 9864bb4801331daa48514face9d0f4861e4d485b, < a7329ea53d04f0c6135d02905810cd6f42acdf45
Fixed in
  • a7329ea53d04f0c6135d02905810cd6f42acdf45
LinuxLinuxAffected
  • ≥ 9864bb4801331daa48514face9d0f4861e4d485b, < 6673f4f21e2fddfed0abe1eb9045cc958e6db130
Fixed in
  • 6673f4f21e2fddfed0abe1eb9045cc958e6db130
LinuxLinuxAffected
  • ≥ 9864bb4801331daa48514face9d0f4861e4d485b, < 1299cb3fb061598496086fc87ff291057831148e
Fixed in
  • 1299cb3fb061598496086fc87ff291057831148e
LinuxLinuxAffected
  • ≥ 9864bb4801331daa48514face9d0f4861e4d485b, < 7fd609fb0e9dcbc4d7a1e4da1af5368c0555ff55
Fixed in
  • 7fd609fb0e9dcbc4d7a1e4da1af5368c0555ff55
LinuxLinuxAffected
  • =6.0
Fixed in–

Description

This vulnerability involves a fix related to leaked file descriptor (fd) fixups on the TF_UPDATE_TXN supersede mechanism in Microsoft software versions 3.0 and 4.0. The advisory does not provide detailed technical information or impact specifics beyond the fix description.

References

Community reviews

Loading reviews…