A big finish to 2025 in December’s Patch Tuesday
A month with no Critical-severity Windows bugs is overshadowed by a mass of Mariner mop-up
Categories: X-ops
Tags: threat research, featured, Microsoft, Patch Tuesday, zero days
The Czech Republic on Wednesday formally accused a threat actor associated with the People’s Republic of China (PRC) of targeting its Ministry of Foreign Affairs. In a public statement, the government said it identified China as the culprit behind a malicious campaign targeting one of the unclassified networks of the Czech Ministry of Foreign Affairs….
If the court continues issuing such injunctions, the Department of Telecommunications may need an entire department and staff just to respond to these situations. Should the responsibility be on the DoT, or is there a better way? Azdhan reports: The Bombay High Court has granted urgent ad-interim relief to Generali Central Life Insurance Company after the insurer……
Jena M. Valdetero and Emily S. Taetzsch of Greenberg Traurig, LLP write that in recent years, federal courts have narrowed the scope of protection for forensic reports produced in response to data breaches. As part of her discussion, she cites the Capital One case in 2020, the Wengui case in 2021, the Rutter’s case a few…
Microsoft on Thursday released out-of-band security updates to patch a critical-severity Windows Server Update Service (WSUS) vulnerability with a proof-of-concept (Poc) exploit publicly available and has come under active exploitation in the wild. The vulnerability in question is CVE-2025-59287 (CVSS score: 9.8), a remote code execution flaw in WSUS that was originally fixed by the…
A newly patched security flaw impacting on-premise versions of JetBrains TeamCity has come under active exploitation in the wild, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA). The vulnerability in question is CVE-2026-63077 (CVSS score: 9.8), a case of deserialization of untrusted data that could allow an unauthenticated attacker with access to a…
A new multi-stage phishing campaign has been observed targeting users in Russia with ransomware and a remote access trojan called Amnesia RAT. “The attack begins with social engineering lures delivered via business-themed documents crafted to appear routine and benign,” Fortinet FortiGuard Labs researcher Cara Lin said in a technical breakdown published this week. “These documents…