Google has recently announced a crucial update to its Chrome browser, aimed at addressing a severe zero-day vulnerability that had been actively exploited by hackers. This security flaw, identified as CVE-2025-2783, was brought to light by cybersecurity experts at Kaspersky, who discovered it being used in a sophisticated hacking operation. The exploit targeted journalists and involved phishing attacks that lured victims to a malicious website designed to hijack personal data directly from their Windows computers running Chrome.
Operation ForumTroll: A Targeted Espionage Effort
The hacking campaign, dubbed “Operation ForumTroll” by Kaspersky, targeted specific individuals with a meticulously crafted phishing email. This email purportedly invited them to a Russian global political summit. However, clicking the link in the email redirected the victims to a harmful site where the Chrome bug was immediately exploited, compromising the user’s PC. This strategy not only breached Chrome’s defenses but also threatened all other browsers based on the Chromium engine, which shares the same underlying technology.
Kaspersky’s investigation revealed that the exploit was likely part of an espionage strategy aimed at stealthily monitoring and extracting data from targeted devices over time. The victims primarily included Russian media representatives and personnel from educational institutions, hinting at a possible state-sponsored origin of the attackers.
A Widespread Threat to Browser Security
Chrome, among other browsers, has become a frequent target for malicious entities, including government-backed groups. Zero-day vulnerabilities, which are unknown to the software vendor until exploited, pose significant risks as they allow attackers to bypass established security measures. These exploits can fetch high prices on the black market, with reports in 2024 indicating that zero-day brokers offered up to $3 million for bugs that could be exploited over the internet.
Google’s Proactive Measures and User Safety
In response to the discovery, Google has swiftly deployed a patch to fix the vulnerability, with Chrome updates scheduled to roll out progressively over the following days and weeks. The promptness of Google’s response underscores the critical nature of the flaw and the importance of maintaining robust security protocols to safeguard user data against potential cyber threats.