CVE-2026-45635
Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.
CSIRTS triage
- What
- Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.
- Who is affected
- Users of devices utilizing UPnP.
- Urgency
- Remediation is critical due to the high severity and potential for remote code execution.
- Action
- Update the UPnP Device Host to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-45635
Get an email if CVE-2026-45635 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 risk0.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-45635: Windows UPnP Device Host 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-2026-45635)