#zero-day


Adobe rolls out emergency fix for Acrobat, Reader zero-day flaw

Apr 13, 2026 // 18:56

Adobe has released an emergency security update for Acrobat Reader to fix a vulnerability, tracked as CVE-2026-34621, that has been exploited in zero-day attacks since at least […]

Acrobat Reader zero-day exploit in the wild since December; Hackers actively exploit Reader’s vulnerability.

Apr 9, 2026 // 18:38

Attackers have been leveraging a previously unknown vulnerability in Adobe Reader through malicious PDFs, with activity dating back to at least December. Security researcher Haifei […]

Claude Mythos AI Uncovers Critical Zero-Day Exploits in Key Systems; Thousands Impacted.

Apr 8, 2026 // 12:18

Anthropic, an AI firm, unveiled Project Glasswing, a new cybersecurity program that will leverage an early version of its advanced model, Claude Mythos, to identify […]

Microsoft connects Medusa ransomware group’s affiliate to zero-day exploits.

Apr 6, 2026 // 19:57

According to Microsoft, Storm-1175, a Chinese financially motivated cybercriminal group known for using Medusa ransomware, is rapidly exploiting both known (n-day) and previously unknown (zero-day) […]

Google patches Chrome’s 4th zero-day flaw used in 2026 attacks. Security update now!

Apr 1, 2026 // 13:37

Google has issued urgent updates to address yet another Chrome vulnerability being actively exploited, making this the fourth such security issue fixed this year. In […]

Zimbra, SharePoint Exploits; Cisco Zero-Day Used in Ransomware

Mar 19, 2026 // 11:03

CISA has advised U.S. government bodies to install security updates for two weaknesses in Synacor Zimbra Collaboration Suite (ZCS) and Microsoft Office SharePoint, because they […]

Cisco zero-day flaw exploited by ransomware attackers since January.

Mar 18, 2026 // 21:58

The Interlock ransomware group has been leveraging a critical remote code execution (RCE) vulnerability in Cisco’s Secure Firewall Management Center (FMC) software in zero-day attacks […]

Google Report: Zero-Day Exploits Jumped 15% in 2025

Mar 5, 2026 // 19:38

Google’s Threat Intelligence Group (GTIG) reported on March 5, 2026, that 90 zero-day vulnerabilities were exploited in the wild throughout 2025. This figure marks a 15% increase […]

Google Warns of Actively Exploited Qualcomm Zero-Day in Android Devices

Mar 3, 2026 // 12:19

Google has confirmed that a high-severity security flaw, CVE-2026-21385 (CVSS score 7.8), in an open-source Qualcomm graphics component is being exploited in the wild.  The vulnerability was disclosed as […]

CISA Issues Emergency Directive Following 3-Year Zero-Day Campaign Against Cisco SD-WAN

Feb 25, 2026 // 21:17

Cisco and Cisco Talosdisclosed that a sophisticated threat actor, tracked as UAT-8616, has been exploiting a zero-day vulnerability in Cisco Catalyst SD-WAN Controllerssince at least 2023. CVE-2026-20127: The Zero-Day How […]

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