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The Register
Second try's a charm? Microsoft and the US Cybersecurity and Infrastructure Security Agency (CISA) warned that attackers are exploiting a zero-click Windows flaw that can expose sensitive information on vulnerable systems.…
The Register
Check Point Research
Key Points Introduction At the beginning of 2026, Check Point Research observed a series of targeted attacks against government entities in Southeast Asia carried out via a legitimate TrueConf software installed in the targets’ environment. The investigation led to the discovery of a zero-day vulnerability in the TrueConf client, tracked as CVE-2026-3502 with a CVSS score of 7.8. […] The post appeared first on . Operation TrueChaos: 0-Day Exploitation Against Southeast Asian Government Targets Check Point Research
The Hacker News
A recently disclosed security flaw patched by Microsoft may have been exploited by the Russia-linked state-sponsored threat actor known as APT28, according to new findings from Akamai. The vulnerability in question is CVE-2026-21513 (CVSS score: 8.8), a high-severity security feature bypass affecting the MSHTML Framework. "Protection mechanism failure in MSHTML Framework allows an unauthorized
The Register
Vendors (still) keep mum An "advanced" attacker exploited CitrixBleed 2 and a max-severity Cisco Identity Services Engine (ISE) bug as zero-days to deploy custom malware, according to Amazon Chief Information Security Officer CJ Moses.…
The Register
A few weeks earlier 'zeroplayer' advertised an $80K WinRAR 0-day exploit Russia-linked attackers found and exploited a high-severity WinRAR vulnerability before the maintainers of the Windows file archiver issued a fix.…
The Hacker News
Google's Threat Analysis Group (TAG) on Thursday pointed fingers at a North Macedonian spyware developer named Cytrox for developing exploits against five zero-day (aka 0-day) flaws, four in Chrome and one in Android, to target Android users. "The 0-day exploits were used alongside n-day exploits as the developers took advantage of the time difference between when some critical bugs were patched
Krebs on Secuity
Microsoft, Adobe, and Google all issued security updates to their products today. The Microsoft patches include six previously disclosed security flaws, and one that that is already being actively exploited. But this month's Patch Tuesday is being overshadowed by the "Log4Shell" 0-day exploit in a popular Java library that web server administrators are now racing to find and patch amid widespread exploitation of the flaw.