CVE-2026-42992
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CSIRTS triage
- What
- Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- Who is affected
- Users of Remote Desktop Client on affected Windows systems.
- Urgency
- Remediation is high urgency due to the high severity and potential for exploitation.
- Action
- Update to the latest version of Remote Desktop Client.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-42992
Get an email if CVE-2026-42992 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-42992: Remote Desktop Client Remote Code Execution Vulnerabilitymsrc · 2026-06-09
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-42992)