On this Patch Tuesday, Microsoft disclosed 66 vulnerabilities, with two critical flaws under active exploitation, urging users to implement necessary fixes immediately. One of these vulnerabilities, CVE-2025-33053, specifically exploited by the Stealth Falcon hacking group via spear-phishing tactics, allows for remote code execution when a victim interacts with a deceptive link posing as a PDF. Microsoft’s proactive patching covers even obsolete platforms, showcasing their commitment to cybersecurity. Researchers warn that if left unaddressed, these flaws could lead to significant data breaches across various sectors.
The attack starts when the victim clicks on a URL file disguised as a PDF. This strategy is often used in highly targeted spear-phishing campaigns, such as those carried out by Stealth Falcon.
Microsoft has reported 66 flaws to be fixed this month, including two critical ones that are actively exploited, thus spotlighting urgent cybersecurity concerns.
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