August 13, 2026
- A fake CCleaner download page installs "GhostDesk," a malicious Chrome extension acting as in-browser spyware, per Malwarebytes. · Threat Activity
- "Zoomsday" — three annotation flaws (CVE-2026-53413/53414/53415) let any Zoom meeting participant attack another through malicious collaboration data. No click or download is required beyond being in the meeting; a presenter could take over viewers, or vice versa, per The Hacker News and Malwarebytes. · Vulnerabilities & Research
in ShieldBreak Turns a "Patched" Defender Bug Back Into SYSTEM