CVE-2026-42985
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CSIRTS triage
- What
- A heap-based buffer overflow allows an unauthorized attacker to execute code over a network.
- Who is affected
- Users of Remote Desktop Client.
- Urgency
- Remediation is critical due to the high severity and potential for remote code execution.
- Action
- Update to the latest version of Remote Desktop Client.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.98% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 58% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-42985: Remote Desktop Client Remote Code Execution Vulnerabilitymsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-42985)