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CVE-2026-46272VulnerabilityPublished Updated

Microsoft · coresight: tmc-etr: Fix race condition between sysfs and perf mode

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-46272· Medium

Not known to be exploited · fixed in e6e43e82c79c97917cbe356c07e8a6f3f982ab53 : update Microsoft when convenient.

Data as of 29 Oct 2026, 19:04 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS
0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in e6e43e82c79c97917cbe356c07e8a6f3f982ab53, 6906aa70d4fc5900b954136e20e27c2be6d1acab, 206b6f672613d08b33e951a744d0a1c6ac5ad8ad +2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Jun 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 29 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 296b01fd106e787d4463974a7f42d286a5df08cd, < e6e43e82c79c97917cbe356c07e8a6f3f982ab53
Fixed in
  • e6e43e82c79c97917cbe356c07e8a6f3f982ab53
LinuxLinuxAffected
  • ≥ 296b01fd106e787d4463974a7f42d286a5df08cd, < 6906aa70d4fc5900b954136e20e27c2be6d1acab
Fixed in
  • 6906aa70d4fc5900b954136e20e27c2be6d1acab
LinuxLinuxAffected
  • ≥ 296b01fd106e787d4463974a7f42d286a5df08cd, < 206b6f672613d08b33e951a744d0a1c6ac5ad8ad
Fixed in
  • 206b6f672613d08b33e951a744d0a1c6ac5ad8ad
LinuxLinuxAffected
  • ≥ 296b01fd106e787d4463974a7f42d286a5df08cd, < 38a07194bbcddb18d77dad40ba9978d994c0b74c
Fixed in
  • 38a07194bbcddb18d77dad40ba9978d994c0b74c
LinuxLinuxAffected
  • ≥ 296b01fd106e787d4463974a7f42d286a5df08cd, < 3e8cdf184646c28c5ea5fba754d24a3b29068739
Fixed in
  • 3e8cdf184646c28c5ea5fba754d24a3b29068739
LinuxLinuxAffected
  • =6.5
Fixed in–

Description

CVE-2026-46272 addresses a race condition vulnerability in the coresight tmc-etr component related to sysfs and perf mode interaction. The issue affects Microsoft product version 3.0. No CVSS score or detailed impact information is provided. There is no indication of known exploits in the wild or available patches at this time.

References

Community reviews

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