Security Affairs

Pierluigi Paganini May 15, 2026
CVE-2026-42897: Microsoft confirms active exploitation of Exchange Server zero-day

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
Ghostwriter group resumes attacks on Ukrainian Government targets

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 uncover YellowKey and GreenPlasma Windows Zero-Days

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: $523,000 paid out, AI products fall

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
U.S. CISA adds a flaw in Cisco Catalyst SD-WAN  to its Known Exploited Vulnerabilities catalog

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
Linux Kernel bug Fragnesia allows local root access attacks

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 […]

Pierluigi Paganini May 14, 2026
Broadcom releases VMware Fusion security update for root access bug

Broadcom patched a high-severity VMware Fusion flaw, CVE-2026-41702, that could let local attackers gain root privileges. Broadcom released a security update for VMware Fusion to address a high-severity vulnerability, tracked as CVE-2026-41702, that could allow local attackers to escalate privileges to root on affected systems. The flaw is a time-of-check time-of-use (TOCTOU) vulnerability affecting operations […]

Pierluigi Paganini May 14, 2026
NGINX Rift: an 18-year-old flaw in the world’s most deployed web server just came to light

Researchers found a critical 18-year-old buffer overflow flaw in NGINX, tracked as CVE-2026-42945 and named NGINX Rift. If you run NGINX, and statistically speaking, there is a very good chance you do, this week brought news worth stopping for. Security researchers at depthfirst disclosed a critical heap buffer overflow vulnerability in both NGINX Plus and […]

Pierluigi Paganini May 14, 2026
FamousSparrow targets Azerbaijani energy sector in multi-wave espionage campaign

Chinese-linked FamousSparrow repeatedly targeted an Azerbaijani oil and gas company, reusing the same entry point in three intrusions from Dec 2025 to Feb 2026. Chinese-linked threat actor FamousSparrow has conducted a sustained intrusion campaign against an Azerbaijani oil and gas company, returning to the same compromised entry point three separate times between late December 2025 […]

Pierluigi Paganini May 14, 2026
Nitrogen Ransomware claims massive data theft from Foxconn

Foxconn confirmed a cyberattack on some North American factories. The Nitrogen ransomware group claims it stole 8TB of data from the firm. Foxconn confirmed that several of its North American factories were affected by a cyberattack. The manufacturer confirmed it was targeted by threat actors after the Nitrogen ransomware group listed it on its Tor […]