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CVE-2026-98404VulnerabilityPublished Updated

Microsoft · drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create()

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-98404· Medium

Not known to be exploited · fixed in f1050a7d365283678b253828739d3866ae546a72 : update Microsoft when convenient.

Data as of 2 Nov 2026, 10:58 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

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 f1050a7d365283678b253828739d3866ae546a72, 974845d2535a250b180e62f9ed50284f312c01a3, 94579f24e2b526a04eb41050af0ba018c6f528e7 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 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
  • ≥ dc5698e80cf724770283e10414054662bdf6ccfa, < f1050a7d365283678b253828739d3866ae546a72
Fixed in
  • f1050a7d365283678b253828739d3866ae546a72
LinuxLinuxAffected
  • ≥ dc5698e80cf724770283e10414054662bdf6ccfa, < 974845d2535a250b180e62f9ed50284f312c01a3
Fixed in
  • 974845d2535a250b180e62f9ed50284f312c01a3
LinuxLinuxAffected
  • ≥ dc5698e80cf724770283e10414054662bdf6ccfa, < 94579f24e2b526a04eb41050af0ba018c6f528e7
Fixed in
  • 94579f24e2b526a04eb41050af0ba018c6f528e7
LinuxLinuxAffected
  • ≥ dc5698e80cf724770283e10414054662bdf6ccfa, < 975f3cf302bb7d7336df4c630a7c07e12780ad10
Fixed in
  • 975f3cf302bb7d7336df4c630a7c07e12780ad10
LinuxLinuxAffected
  • ≥ dc5698e80cf724770283e10414054662bdf6ccfa, < 45dc2788a5b0e1e2824d1f98af521bd3acc340d7
Fixed in
  • 45dc2788a5b0e1e2824d1f98af521bd3acc340d7
LinuxLinuxAffected
  • ≥ dc5698e80cf724770283e10414054662bdf6ccfa, < 07de0b31dd64094cd7d25729beaf2ecae74daa72
Fixed in
  • 07de0b31dd64094cd7d25729beaf2ecae74daa72

Description

A vulnerability identified as CVE-2026-98404 affects Microsoft software versions 3.0 and 4.0. It involves a bug in the drm/virtio component, specifically in the virtio_gpu_user_framebuffer_create() function, related to improper handling of NULL versus ERR_PTR() values. No CVSS score or detailed impact information is provided.

References

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