zero-Day

Pierluigi Paganini October 01, 2026
AI Agent Chains Zammad Zero-Days To Take Over DIVD Systems in Seconds

DIVD was breached through two Zammad zero-days that let an AI agent reach root in seconds, steal data and pivot to other services before being stopped. The Dutch Institute for Vulnerability Disclosure, a nonprofit organization of volunteer security researchers whose whole job is finding and responsibly disclosing vulnerabilities in other people’s software, just disclosed that […]

Pierluigi Paganini September 29, 2026
Apple Patches CoreGraphics Zero-Day Linked to Sophisticated Targeted Attacks

Apple patched zero-day CVE-2026-86950 in CoreGraphics, exploited in sophisticated targeted attacks against specific iOS users. Apple has released security updates for iOS, iPadOS and macOS to fix a zero-day vulnerability, tracked as CVE-2026-86950, in CoreGraphics that may have been exploited in attacks against specific individuals. The flaw is an out-of-bounds write that can lead to […]

Pierluigi Paganini September 27, 2026
Citrix Confirmed Two New NetScaler Flaws Exploited as Zero-Day

Citrix confirmed two critical NetScaler zero-days were exploited before patches were available, with attackers able to remotely execute code. Citrix confirmed that two critical zero-day vulnerabilities in NetScaler ADC and NetScaler Gateway were exploited before the company released patches. The flaws allow remote code execution, meaning attackers can potentially take control of affected appliances. The […]

Pierluigi Paganini September 23, 2026
F5 BIG-IP APM Zero-Day Exploited in Zero-Day RCE Attacks

F5 warns of a critical BIG-IP APM zero-day, CVE-2026-94127, allowing remote code execution. Attackers are already exploiting it. F5 has released emergency security updates for a critical vulnerability, tracked as CVE-2026-94127 (CVSS score of 9.8), in BIG-IP Access Policy Manager (APM) that attackers are already exploiting in the wild. The flaw can allow an unauthenticated […]

Pierluigi Paganini September 23, 2026
ShinyHunters claims FBI breach after alleged PeopleSoft zero-day attack

ShinyHunters claims FBI breach via PeopleSoft zero-day, steals staff data; FBI investigating, no confirmation yet. The popular cybercrime group ShinyHunters is claiming that it breached the U.S. Federal Bureau of Investigation (FBI) and stole sensitive information belonging to FBI employees and job applicants. The group says the operation was not financially motivated and was instead […]

Pierluigi Paganini September 22, 2026
Chaotic Eclipse Released BigDiskBuster, A PoC For Windows Defender Update DoS Zero-Day

The researcher Chaotic Eclipse released BigDiskBuster, a PoC exploit for a Windows Defender Update DoS Zero-Day vulnerability. Security researcher Chaotic Eclipse, also known as INFINITE NIGHTMARE, MSNightmare and Nightmare-Eclipse, released a new zero-day exploit targeting Microsoft Defender. The researcher named the exploit BigDiskBuster, it triggers a Denial of Service Vulnerability in Windows Defender Update. The security researcher […]

Pierluigi Paganini September 16, 2026
Google Patches Pixel Modem Zero-Day Exploited in Targeted Attacks

Google has patched a high-severity zero-day in the Pixel cellular modem after finding evidence that the vulnerability was exploited in limited, targeted attacks. Google has released its September 2026 Pixel security update, addressing a large set of vulnerabilities, including a high-severity flaw, tracked as CVE-2026-58704 (CVSS score of 8.0), in the cellular modem that has […]

Pierluigi Paganini September 15, 2026
One Exploit Chain, Two Espionage Campaigns: Chrome and Windows Under Fire

Two China-linked groups ran identical Chrome/Windows zero-day exploits against NGOs, before Chrome’s patch shipped, deploying different backdoors each. Two China-linked threat actors used the same Chrome/Windows zero-day against NGOs starting September 1, 2026, Volexity’s new report lays out the whole chain in detail. On September 1, Volexity detected a spear-phishing campaign by UTA0560 targeting several […]

Pierluigi Paganini September 09, 2026
Google fixes the seventh actively exploited Chrome zero-day of 2026

Google patched 230 Chrome flaws, including an actively exploited V8 bug that could let attackers run arbitrary code through a crafted HTML page. Google released a Chrome update fixing 230 security vulnerabilities, including one already exploited in the wild tracked as CVE-2026-87491 (CVSS score of 8.8). The medium-severity flaw affects V8, Google’s open source high-performance […]

Pierluigi Paganini September 07, 2026
StyleSmuggler: The Magento Zero-Day Behind New Store Attacks

StyleSmuggler Magento zero-day is under active attack, letting unauthenticated attackers execute code and install backdoors on stores that may already be patched. A new zero-day flaw, dubbed StyleSmuggler, in Magento and Adobe Commerce is under active attack, giving unauthenticated attackers a path to run code on vulnerable online stores. Sansec researchers say it affects current […]