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1224 notícias
Ameaças Cibernéticas Bleeping Computer 🇺🇸

Microsoft warns of Exchange zero-day flaw exploited in attacks

On Thursday, Microsoft shared mitigations for a high-severity Exchange Server vulnerability exploited in attacks that allow threat actors to execute arbitrary code via cross-site scripting (XSS) while targeting Outlook on the web users. [...]

Ameaças Cibernéticas The Hacker News 🇺🇸

On-Prem Microsoft Exchange Server CVE-2026-42897 Exploited via Crafted Email

Microsoft has disclosed a new security vulnerability impacting on-premise versions of Exchange Server that it said has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-42897 (CVSS score: 8.1), has been described as a spoofing bug stemming from a …

Ameaças Cibernéticas Bleeping Computer 🇺🇸

Cisco warns of new critical SD-WAN flaw exploited in zero-day attacks

Cisco is warning that a critical Catalyst SD-WAN Controller authentication bypass flaw, tracked as CVE-2026-20182, was actively exploited in zero-day attacks that allowed attackers to gain administrative privileges on compromised devices. [...]

Ameaças Cibernéticas Bleeping Computer 🇺🇸

OpenAI confirms security breach in TanStack supply chain attack

OpenAI says two employees' devices were breached in the recent TanStack supply chain attack that impacted hundreds of npm and PyPI packages, causing the company to rotate code-signing certificates for its applications as a precaution. [...]

Ameaças Cibernéticas The Hacker News 🇺🇸

Stealer Backdoor Found in 3 Node-IPC Versions Targeting Developer Secrets

Cybersecurity researchers are sounding the alarm about what has been described as "malicious activity" in newly published versions of node-ipc. According to Socket and StepSecurity, three different versions of the npm package have been confirmed as malicious - node-ipc@9.1.6 nod…

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