Pierluigi Paganini
May 16, 2026
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Microsoft Exchange Server to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in Microsoft Exchange Server, tracked as CVE-2026-42897 (CVSS score of 8.1), to its Known Exploited Vulnerabilities (KEV) catalog. This week, Microsoft warned that threat actors are […]
Pierluigi Paganini
May 16, 2026
Russia-linked APT group Turla turned its Kazuar malware into a stealthy P2P botnet for long-term access to compromised systems. Russia-linked APT group Turla upgraded its Kazuar backdoor into a modular peer-to-peer botnet designed for stealth and persistent access to infected systems. Microsoft researchers say the malware allows attackers to maintain long-term control while making detection […]
Pierluigi Paganini
May 16, 2026
OpenAI said the TanStack supply chain attack compromised two employee devices and exposed credentials from code repositories. OpenAI confirmed that the recent TanStack supply chain attack compromised two employee devices and exposed credential material stored in internal source code repositories. The incident began after the TeamPCP hacking group abused weaknesses in the package publishing process […]
Pierluigi Paganini
May 15, 2026
Day two of Pwn2Own Berlin 2026 saw $385,750 earned for 15 zero-days, bringing the total to $908,750 and 39 vulnerabilities over two days. During the second day of Pwn2Own Berlin 2026, security researchers earned $385,750 after successfully demonstrating 15 unique zero-day vulnerabilities affecting products such as Windows 11, Microsoft Exchange, and Red Hat Enterprise Linux […]
Pierluigi Paganini
May 15, 2026
Microsoft warned that attackers are exploiting a new Exchange Server zero-day vulnerability, tracked as CVE-2026-42897, in the wild. Microsoft warned that threat actors are actively exploiting a new Exchange Server zero-day vulnerability tracked as CVE-2026-42897 (CVSS score 8.1). The vulnerability is an improper neutralization of input during web page generation (‘cross-site scripting’) in Microsoft Exchange […]
Pierluigi Paganini
May 15, 2026
ESET uncovered new Ghostwriter (aka FrostyNeighbor) activity targeting Ukrainian government organizations in a campaign active since March 2026. ESET researchers published a new report documenting fresh activity attributed to the APT group FrostyNeighbor, aka Ghostwriter, active since at least March 2026, targeting Ukrainian governmental organizations. The campaign is similar to previous FrostyNeighbor’s campaigns. The threat […]
Pierluigi Paganini
May 15, 2026
Researchers disclosed two new Windows zero-days named YellowKey and GreenPlasma affecting BitLocker and the CTFMON framework. A security researcher known as Chaotic Eclipse, also called Nightmare-Eclipse, disclosed two new Windows zero-day vulnerabilities named YellowKey and GreenPlasma. The flaws affect BitLocker and the Windows Collaborative Translation Framework (CTFMON). YellowKey could allow attackers to bypass BitLocker protections, […]
Pierluigi Paganini
May 15, 2026
Pwn2Own Berlin 2026 day one saw 22 entries and 24 zero-days across major software, with researchers earning $523,000 in total rewards. Day one of Pwn2Own Berlin 2026 featured 22 entries targeting widely used technologies, including browsers, operating systems, AI platforms, and NVIDIA infrastructure. By the end of the day, researchers demonstrated 24 unique zero-day vulnerabilities […]
Pierluigi Paganini
May 14, 2026
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Cisco Catalyst SD-WAN to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in Cisco Catalyst SD-WAN, tracked as CVE-2026-20182 (CVSS score of 10.0), to its Known Exploited Vulnerabilities (KEV) catalog. Cisco fixed CVE-2026-20182, a flaw in SD-WAN control […]
Pierluigi Paganini
May 14, 2026
Fragnesia, a new Linux kernel flaw tracked as CVE-2026-46300, could let local attackers gain root access through page cache corruption. Researchers disclosed a new Linux kernel privilege escalation vulnerability named Fragnesia, tracked as CVE-2026-46300 (CVSS score of 7.8). The flaw affects the XFRM ESP-in-TCP subsystem and could allow local attackers to gain full root access […]
