Microsoft Patch Tuesday June 2025: One Zero-Day, Nine High-risk Flaws Fixed

Microsoft’s June 2025 Patch Tuesday addresses critical vulnerabilities, including an actively exploited zero-day and multiple high-risk flaws across Windows and Office. These updates are vital for defending against targeted cyberattacks by entities like Stealth Falcon. #CVE-2025-33053 #StealthFalcon

Keypoints

Microsoft released updates fixing 68 vulnerabilities, including a zero-day actively exploited in cyberattacks.
The zero-day vulnerability CVE-2025-33053 was exploited by Stealth Falcon via WebDAV to deliver malware.
Nine vulnerabilities are marked as “Exploitation More Likely,” posing significant security risks.
Other vendors like Ivanti, SAP, and Fortinet also issued patches for their respective vulnerabilities.
The updates include fixes for Windows, Office, Microsoft Edge, and other Microsoft services to improve system security.