0day
Ransomware gang exploits Cisco flaw in zero-day attacks since January
The Interlock ransomware gang has been exploiting a maximum severity remote code execution (RCE) vulnerability in Cisco’s Secure Firewall Management Center (FMC) software in zero-day attacks since late January. The Interlock ransomware operation surfaced in September 2024 and has been linked to ClickFix and to malware attacks in which they deployed a remote access trojan called NodeSnake on the networks of […]
Google fixes two new Chrome zero-days exploited in attacks
Google has released emergency security updates to patch two high-severity Chrome vulnerabilities exploited in zero-day attacks. “Google is aware that exploits for both CVE-2026-3909 & CVE-2026-3910 exist in the wild,” Google said in a security advisory published on Thursday. The first zero-day (CVE-2026-3909) stems from an out-of-bounds write weakness in Skia, an open-source 2D graphics library responsible for rendering […]
Microsoft March 2026 Patch Tuesday fixes 2 zero-days, 79 flaws
Today is Microsoft’s March 2026 Patch Tuesday with security updates for 79 flaws, including 2 publicly disclosed zero-day vulnerabilities. This Patch Tuesday also addresses three “Critical” vulnerabilities, 2 of which are remote code execution flaws and the other is an information disclosure flaw. The number of bugs in each vulnerability category is listed below: When BleepingComputer reports […]
Google says 90 zero-days were exploited in attacks last year
Google Threat Intelligence Group (GTIG) tracked 90 zero-day vulnerabilities actively exploited throughout 2025, almost half of them in enterprise software and appliances. The figure is a 15% increase compared to 2024, when 78 zero-days were exploited in the wild, but lower than the record 100 zero days tracked in 2023. Zero-day vulnerabilities are security issues […]
Android gets patches for Qualcomm zero-day exploited in attacks
Google has released security updates to patch 129 Android security vulnerabilities, including an actively exploited zero-day flaw in a Qualcomm display component. “There are indications that CVE-2026-21385 may be under limited, targeted exploitation,” the company said on Monday in its March 2025 Android Security Bulletin. While Google didn’t provide any further information on the attacks currently targeting […]
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 […]
Critical Cisco SD-WAN bug exploited in zero-day attacks since 2023
Cisco is warning that a critical authentication bypass vulnerability in Cisco Catalyst SD-WAN, tracked as CVE-2026-20127, was actively exploited in zero-day attacks that allowed remote attackers to compromise controllers and add malicious rogue peers to targeted networks. CVE-2026-20127 has a maximum severity of 10.0 and impacts Cisco Catalyst SD-WAN Controller (formerly vSmart) and Cisco Catalyst […]
CISA orders feds to patch actively exploited Dell flaw within 3 days
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered government agencies to patch their systems within three days against a maximum-severity Dell vulnerability that has been under active exploitation since mid-2024. According to security researchers from Mandiant and the Google Threat Intelligence Group (GTIG), this hardcoded-credential vulnerability (CVE-2026-22769) in Dell’s RecoverPoint (a solution used for VMware virtual machine backup and […]
Flaws in popular VSCode extensions expose developers to attacks
Vulnerabilities with high to critical severity ratings affecting popular Visual Studio Code (VSCode) extensions collectively downloaded more than 128 million times could be exploited to steal local files and execute code remotely. The security issues impact Code Runner (CVE-2025-65715), Markdown Preview Enhanced (CVE-2025-65716), Markdown Preview Enhanced (CVE-2025-65717), and Microsoft Live Preview (no identifier assigned). Researchers at […]
Chinese hackers exploiting Dell zero-day flaw since mid-2024
A suspected Chinese state-backed hacking group has been quietly exploiting a critical Dell security flaw in zero-day attacks that started in mid-2024. Security researchers from Mandiant and the Google Threat Intelligence Group (GTIG) revealed today that the UNC6201 group exploited a maximum-severity hardcoded-credential vulnerability (tracked as CVE-2026-22769) in Dell RecoverPoint for Virtual Machines, a solution used for VMware […]