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CVE-2026-99147VulnerabilityPublished

Microsoft · drm/exec: don't immediately add prelocked obj to array of locked objs

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99147· Medium

Not known to be exploited · fixed in 26401a4999f1596a515b2e704e7066ac09306488 : update Microsoft when convenient.

Data as of 29 Oct 2026, 11:48 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 26401a4999f1596a515b2e704e7066ac09306488, 96d9996e5dbcfabed052c0d9377a382c95fed607, 7a10cd79c4d9a90334fece32fef3a8e5b1a9727b

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Oct 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 29 Oct 2026.

What to do

Upgrade Linux to 26401a4999f1596a515b2e704e7066ac09306488, 96d9996e5dbcfabed052c0d9377a382c95fed607 or 7a10cd79c4d9a90334fece32fef3a8e5b1a9727b.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 09593216bff15866f95c8ad406cb7fdcec1ee40a, < 26401a4999f1596a515b2e704e7066ac09306488
Fixed in
  • 26401a4999f1596a515b2e704e7066ac09306488
LinuxLinuxAffected
  • ≥ 09593216bff15866f95c8ad406cb7fdcec1ee40a, < 96d9996e5dbcfabed052c0d9377a382c95fed607
Fixed in
  • 96d9996e5dbcfabed052c0d9377a382c95fed607
LinuxLinuxAffected
  • ≥ 09593216bff15866f95c8ad406cb7fdcec1ee40a, < 7a10cd79c4d9a90334fece32fef3a8e5b1a9727b
Fixed in
  • 7a10cd79c4d9a90334fece32fef3a8e5b1a9727b
LinuxLinuxAffected
  • =6.6
Fixed in–
Debiandebian/linuxpkg:deb/debian/linuxOther threatsAffected
  • =6.6
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

CVE-2026-99147 is a vulnerability related to the drm/exec component where a prelocked object is improperly handled by being immediately added to the array of locked objects. The advisory provides no further technical details or impact information.

References

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