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CVE-2026-99007VulnerabilityPublished Updated

Microsoft · drm/fb-helper: defer setup when fbdev_probe() fails, not just on -EAGAIN

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99007· Medium

Not known to be exploited · fixed in e5f8f6e0f0a18c77c04b757d72319d897a0b4bc1 : update Microsoft when convenient.

Data as of 7 Nov 2026, 13:35 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e5f8f6e0f0a18c77c04b757d72319d897a0b4bc1, d510ed273854177f0a3ed330145858b2fe667f81, 9124411cb91b129ff3ffb0d723ecba7a5bf893f9 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 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 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ ca91a2758fcef6635626993557dd51cfbb6dd134, < e5f8f6e0f0a18c77c04b757d72319d897a0b4bc1
Fixed in
  • e5f8f6e0f0a18c77c04b757d72319d897a0b4bc1
LinuxLinuxAffected
  • ≥ ca91a2758fcef6635626993557dd51cfbb6dd134, < d510ed273854177f0a3ed330145858b2fe667f81
Fixed in
  • d510ed273854177f0a3ed330145858b2fe667f81
LinuxLinuxAffected
  • ≥ ca91a2758fcef6635626993557dd51cfbb6dd134, < 9124411cb91b129ff3ffb0d723ecba7a5bf893f9
Fixed in
  • 9124411cb91b129ff3ffb0d723ecba7a5bf893f9
LinuxLinuxAffected
  • ≥ ca91a2758fcef6635626993557dd51cfbb6dd134, < 755c94d178b7e972bb766199d34e4ba4f63a89eb
Fixed in
  • 755c94d178b7e972bb766199d34e4ba4f63a89eb
LinuxLinuxAffected
  • ≥ ca91a2758fcef6635626993557dd51cfbb6dd134, < 423c871a586cff8b29f48db00e3c45c21d0e8121
Fixed in
  • 423c871a586cff8b29f48db00e3c45c21d0e8121
LinuxLinuxAffected
  • ≥ ca91a2758fcef6635626993557dd51cfbb6dd134, < 4e7b508c7c60dec7a86b7eb2a1b7e6d174afa457
Fixed in
  • 4e7b508c7c60dec7a86b7eb2a1b7e6d174afa457

Description

This vulnerability relates to the drm/fb-helper component where setup deferral occurs only when fbdev_probe() returns -EAGAIN, but not for other failure cases. The issue affects Microsoft products with versions 3.0 and 4.0. No CVSS score or detailed impact information is provided.

References

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