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CVE-2026-97961VulnerabilityPublished Updated

Microsoft · perf/core: Allow list_del during perf_event_overflow()

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-97961· Medium

Not known to be exploited · fixed in fa360a018369f3eb4fe4f4792238adfc1f6fd5dc : 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 fa360a018369f3eb4fe4f4792238adfc1f6fd5dc, e2770c76a02452fddb52e9e05c7ed6acfef06c32, 723e85fb2c3bcd237ac02cbd69502ed62ce0068c +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 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
  • ≥ bd27568117664b8b3e259721393df420ed51f57b, < fa360a018369f3eb4fe4f4792238adfc1f6fd5dc
Fixed in
  • fa360a018369f3eb4fe4f4792238adfc1f6fd5dc
LinuxLinuxAffected
  • ≥ bd27568117664b8b3e259721393df420ed51f57b, < e2770c76a02452fddb52e9e05c7ed6acfef06c32
Fixed in
  • e2770c76a02452fddb52e9e05c7ed6acfef06c32
LinuxLinuxAffected
  • ≥ bd27568117664b8b3e259721393df420ed51f57b, < 723e85fb2c3bcd237ac02cbd69502ed62ce0068c
Fixed in
  • 723e85fb2c3bcd237ac02cbd69502ed62ce0068c
LinuxLinuxAffected
  • ≥ bd27568117664b8b3e259721393df420ed51f57b, < 59e63416f5153e7d58652c616fbdcb7d5e01fff7
Fixed in
  • 59e63416f5153e7d58652c616fbdcb7d5e01fff7
LinuxLinuxAffected
  • ≥ bd27568117664b8b3e259721393df420ed51f57b, < 6d0b9ce3be221c9077653f3670d60d66bb725ee2
Fixed in
  • 6d0b9ce3be221c9077653f3670d60d66bb725ee2
LinuxLinuxAffected
  • =6.2
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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