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CVE-2026-98511VulnerabilityPublished Updated

Microsoft · drm/nouveau: don't bump pin count on failed re-pin in nouveau_bo_pin_locked()

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98511· Low

Not known to be exploited · fixed in a6e755acf85793a7b4d29ba27b5421af1087263f : update Microsoft when convenient.

Data as of 2 Nov 2026, 10:58 UTC

Severity
Low

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in a6e755acf85793a7b4d29ba27b5421af1087263f, 9924c1d64405be8d10b906368dfb1cfe0d0c6bf0, 189ffc7b6cad6390c0695031cb6c7c63472981e8 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 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 2 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ ad76b3f7c7a0836e74ac0e316e03988ef3c43564, < a6e755acf85793a7b4d29ba27b5421af1087263f
Fixed in
  • a6e755acf85793a7b4d29ba27b5421af1087263f
LinuxLinuxAffected
  • ≥ ad76b3f7c7a0836e74ac0e316e03988ef3c43564, < 9924c1d64405be8d10b906368dfb1cfe0d0c6bf0
Fixed in
  • 9924c1d64405be8d10b906368dfb1cfe0d0c6bf0
LinuxLinuxAffected
  • ≥ ad76b3f7c7a0836e74ac0e316e03988ef3c43564, < 189ffc7b6cad6390c0695031cb6c7c63472981e8
Fixed in
  • 189ffc7b6cad6390c0695031cb6c7c63472981e8
LinuxLinuxAffected
  • ≥ ad76b3f7c7a0836e74ac0e316e03988ef3c43564, < 73c7093e6cc1e6b181a79e16eccc4b8d4f34d8ee
Fixed in
  • 73c7093e6cc1e6b181a79e16eccc4b8d4f34d8ee
LinuxLinuxAffected
  • ≥ ad76b3f7c7a0836e74ac0e316e03988ef3c43564, < 19f5a5839b308697824ff46e6213a2b4cb677771
Fixed in
  • 19f5a5839b308697824ff46e6213a2b4cb677771
LinuxLinuxAffected
  • ≥ ad76b3f7c7a0836e74ac0e316e03988ef3c43564, < 6d6e9291413fda06588846cbbf09b789a0e948fa
Fixed in
  • 6d6e9291413fda06588846cbbf09b789a0e948fa

Description

This vulnerability relates to the drm/nouveau component where the pin count is not incremented properly on a failed re-pin operation in the nouveau_bo_pin_locked() function. The issue affects Microsoft products with versions 3.0 and 4.0. No CVSS score or detailed impact information is provided, and there is no indication of known exploits in the wild or available patches.

References

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