CVE-2026-42981
Integer underflow (wrap or wraparound) in Windows Performance Monitor allows an unauthorized attacker to execute code over a network.
CSIRTS triage
- What
- An integer underflow in Windows Performance Monitor allows unauthorized remote code execution.
- Who is affected
- Unauthorized attackers can exploit this vulnerability in Windows Performance Monitor.
- Urgency
- Remediation is urgent due to the high severity and potential for exploitation.
- Action
- Patch Windows Performance Monitor to mitigate this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.64% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-42981: Windows Performance Monitor Remote Code Execution Vulnerabilitymsrc · 2026-06-09
External references
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