Latest cybersecurity reporting from selected sources.

Microsoft today pushed software updates to fix a staggering 167 security vulnerabilities in its Windows operating systems and related software, including a SharePoint Server zero-day and a publicly disclosed weakness in Windows Defender dubbed "BlueHammer." Separately, Google Chrome fixed its fourth zero-day of 2026, and an emergency update for Adobe Reader nixes an actively exploited flaw that can lead to remote code execution.

CVE-2023-7024, exploited in the wild prior to patching, is a Chrome vulnerability that allows remote code execution within the browser's WebRTC component.

The Cybersecurity and Infrastructure Security Agency (CISA) has added nine more security flaws to its list of actively exploited bugs, including a VMware privilege escalation flaw and a Google Chrome zero-day that could be used for remote code execution. [...]

Two separate campaigns from different threat actors targeted users with the same exploit kit for more than a month before the company fixed an RCE flaw found in February.

Google's Threat Analysis Group (TAG) on Thursday disclosed that it acted to mitigate threats from two distinct government-backed attacker groups based in North Korea that exploited a recently-uncovered remote code execution flaw in the Chrome web browser

North Korean state hackers have exploited a zero-day, remote code execution vulnerability in Google Chrome web browser for more than a month before a patch became available, in attacks targeting news media, IT companies, cryptocurrency and fintech organizations. [...]