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CVE-2026-97503VulnerabilityPublished Updated

Microsoft · genirq/proc: Size interrupt directory names for 10-digit interrupt numbers

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-97503· Medium

Not known to be exploited · fixed in d4b22fbae70037299e96539c330e4a1054b28a91 : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:18 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in d4b22fbae70037299e96539c330e4a1054b28a91, c2c7983c93f5d86962318be7e7298f1bc3feb1a6, a8adf64fe7fd5d7c476769a043ee56eda7b775ce +1

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 24 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 Linux to d4b22fbae70037299e96539c330e4a1054b28a91, c2c7983c93f5d86962318be7e7298f1bc3feb1a6, a8adf64fe7fd5d7c476769a043ee56eda7b775ce or 488bcd7fd3e9a2ad647b71b505a269fdb28753c4.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 721255b9826bd11c7a38b585905fc2dd0fb94e52, < d4b22fbae70037299e96539c330e4a1054b28a91
Fixed in
  • d4b22fbae70037299e96539c330e4a1054b28a91
LinuxLinuxAffected
  • ≥ 721255b9826bd11c7a38b585905fc2dd0fb94e52, < c2c7983c93f5d86962318be7e7298f1bc3feb1a6
Fixed in
  • c2c7983c93f5d86962318be7e7298f1bc3feb1a6
LinuxLinuxAffected
  • ≥ 721255b9826bd11c7a38b585905fc2dd0fb94e52, < a8adf64fe7fd5d7c476769a043ee56eda7b775ce
Fixed in
  • a8adf64fe7fd5d7c476769a043ee56eda7b775ce
LinuxLinuxAffected
  • ≥ 721255b9826bd11c7a38b585905fc2dd0fb94e52, < 488bcd7fd3e9a2ad647b71b505a269fdb28753c4
Fixed in
  • 488bcd7fd3e9a2ad647b71b505a269fdb28753c4
LinuxLinuxAffected
  • =6.5
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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