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CVE-2026-89802VulnerabilityPublished Updated

Microsoft · drm/nouveau/uvmm: fix NULL deref unwinding an OP_MAP_SPARSE op

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-89802· Medium

Not known to be exploited · fixed in d8ec34618e71018fd7a3f73c57c6b92d71a6c7c3 : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:19 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in d8ec34618e71018fd7a3f73c57c6b92d71a6c7c3, b7dc03e09313d22a6d230b759de3b05d504c008f, 3857238de6bce6c1573e8cb86c37b067e5208f05 +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 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
  • ≥ b88baab828713ce0b49b185444b2ee83bed373a8, < d8ec34618e71018fd7a3f73c57c6b92d71a6c7c3
Fixed in
  • d8ec34618e71018fd7a3f73c57c6b92d71a6c7c3
LinuxLinuxAffected
  • ≥ b88baab828713ce0b49b185444b2ee83bed373a8, < b7dc03e09313d22a6d230b759de3b05d504c008f
Fixed in
  • b7dc03e09313d22a6d230b759de3b05d504c008f
LinuxLinuxAffected
  • ≥ b88baab828713ce0b49b185444b2ee83bed373a8, < 3857238de6bce6c1573e8cb86c37b067e5208f05
Fixed in
  • 3857238de6bce6c1573e8cb86c37b067e5208f05
LinuxLinuxAffected
  • ≥ b88baab828713ce0b49b185444b2ee83bed373a8, < 412a6ceb56d501ef2f8202e26ab4b5d4dfbca566
Fixed in
  • 412a6ceb56d501ef2f8202e26ab4b5d4dfbca566
LinuxLinuxAffected
  • ≥ b88baab828713ce0b49b185444b2ee83bed373a8, < 3bf493cf7ed0c2b3df728977a257e0d99b4db1c6
Fixed in
  • 3bf493cf7ed0c2b3df728977a257e0d99b4db1c6
LinuxLinuxAffected
  • =6.6
Fixed in–

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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