exploit
Hackers exploiting Acrobat Reader zero-day flaw since December
Attackers have been exploiting a zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at least December. The attacks have been discovered by security researcher Haifei Li (the founder of the sandbox-based exploit-detection platform EXPMON), who warned on Tuesday that the attackers are using what he described as a “highly sophisticated, fingerprinting-style PDF exploit” to […]
Disgruntled researcher leaks “BlueHammer” Windows zero-day exploit
Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing attackers to gain SYSTEM or elevated administrator permissions. Dubbed BlueHammer, the vulnerability was published by a security researcher discontent with how Microsoft’s Security Response Center (MSRC) handled the disclosure process. Since, the security issue has no official patch and there […]
New DarkSword iOS exploit used in infostealer attack on iPhones
A new exploit kit for iOS devices and delivery framework dubbed “DarkSword” has been used to steal a wide range of personal information, including data from cryptocurrency wallet apps. DarkSword targets iPhones running iOS 18.4 through 18.7 and is linked to multiple actors, including UNC6353, suspected to be Russian, who used the Coruna exploit chain disclosed earlier this month. […]
Ex-L3Harris exec jailed for selling zero-days to Russian exploit broker
The former head of Trenchant, a specialized U.S. defense contractor unit, was sentenced Tuesday to more than seven years in federal prison for stealing and selling zero-day exploits to a Russian broker whose clients include the Russian government. 39-year-old Australian national Peter Williams served as the general manager of Trenchant, a cybersecurity unit of defense […]
US sanctions Russian broker for buying stolen zero-day exploits
The U.S. Treasury Department has sanctioned a Russian exploit broker who bought stolen hacking tools from a former executive of a U.S. defense contractor. The Department’s Office of Foreign Assets Control (OFAC) designated Matrix LLC (doing business as Operation Zero and headquartered in St. Petersburg, Russia) on Tuesday, along with its owner, Sergey Sergeyevich Zelenyuk, and five […]
Hackers get $1,047,000 for 76 zero-days at Pwn2Own Automotive 2026
Pwn2Own Automotive 2026 has ended with security researchers earning $1,047,000 after exploiting 76 zero-day vulnerabilities between January 21 and January 23. The Pwn2Own Automotive hacking competition focuses on automotive technologies and took place this week in Tokyo, Japan, during the Automotive World auto conference. Throughout the contest, the hackers targeted fully patched in-vehicle infotainment (IVI) systems, electric […]
Hackers exploit 29 zero-days on second day of Pwn2Own Automotive
On the second day of Pwn2Own Automotive 2026, security researchers collected $439,250 in cash awards after exploiting 29 unique zero-days. The Pwn2Own Automotive hacking contest focuses on automotive technologies and takes place this week in Tokyo, Japan, from January 21 to January 23, during the Automotive World auto conference. Throughout the competition, security researchers target fully patched […]
Tesla hacked, 37 zero-days demoed at Pwn2Own Automotive 2026
Security researchers have hacked the Tesla Infotainment System and earned $516,500 after exploiting 37 zero-days on the first day of the Pwn2Own Automotive 2026 competition. Synacktiv Team took home $35,000 after successfully chaining an information leak and an out‑of‑bounds write flaw to get root permissions on the Tesla Infotainment System in the USB-based attack category. They also chained […]
Exploit code public for critical FortiSIEM command injection flaw
Technical details and a public exploit have been published for a critical vulnerability affecting Fortinet’s Security Information and Event Management (SIEM) solution that could be leveraged by a remote, unauthenticated attacker to execute commands or code. The vulnerability is tracked as CVE-2025-25256, and is a combination of two issues that permit arbitrary write with admin permissions […]
VMware ESXi zero-days likely exploited a year before disclosure
Chinese-speaking threat actors used a compromised SonicWall VPN appliance to deliver a VMware ESXi exploit toolkit that seems to have been developed more than a year before the targeted vulnerabilities became publicly known. In attacks from December 2025 analyzed by Huntress, managed security company, the hackers used a sophisticated virtual machine (VM) escape that likely exploited three VMware […]