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High severity8.1NVD Advisory· Published Jun 9, 2026· Updated Jun 9, 2026

CVE-2026-45635

CVE-2026-45635

Description

Use after free in Universal Plug and Play (upnp.dll) allows an unauthorized attacker to execute code over a network.

Affected products

1

Microsoft/Universal Plug and Playllm-fuzzy

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45635nvd

News mentions

2

Microsoft June 2026 Patch Tuesday fixes 3 zero-day, 200 flaws
BleepingComputer · Jun 9, 2026
Microsoft Patch Tuesday June 2026 – 198 Vulnerabilities Fixed, Including 3 Zero-days
Cyber Security News · Jun 9, 2026