SEPTEMBER 20, 2026
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Case File

CVE-2026-62432

HIGH · CVSS 7.3 EPSS 0.24%

Source: NVD + CISA KEV + EPSS · Published 2026-07-28 · Last synced 2026-08-27

CyberRota Analysis

AI-Generated

A race condition in the EVTCHNOP_expand_array hypercall can lead to a NULL pointer dereference due to improper locking when checking FIFO event channels. This vulnerability poses a high risk as it may allow attackers to crash the system or execute arbitrary code. Organizations utilizing affected virtualization products should prioritize patching to mitigate potential exploitation.

CVE
CVE-2026-62432
Severity
HIGH
CVSS
7.3
EPSS
0.24%

Original NVD Description

The EVTCHNOP_expand_array hypercall checks for whether FIFO event channels are enabled, but without holding the correct lock. It can race with EVTCHNOP_reset, resulting in dereferencing a NULL pointer.