What is CVE-2026-23271?

CVE-2026-23271 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. perf: Fix __perf_event_overflow() vs perf_remove_from_context() race

Which CVE IDs does CVE-2026-23271 cover?

CVE-2026-23271 covers the following CVE IDs: CVE-2026-23271. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-23271?

CVE-2026-23271 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-23271MediumCVSS 5.5

perf: Fix __perf_event_overflow() vs perf_remove_from_context() race

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-23271 →