A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...
Three proof-of-concept exploits are being used in active attacks against Microsoft's built-in security platform; two are ...
PCWorld reports that Microsoft issued emergency updates for a critical zero-day vulnerability (CVE-2026-21509) in Office that attackers exploited against Ukrainian authorities and EU institutions. The ...
Threat actors have been exploiting the BlueHammer Microsoft Defender vulnerability as a zero-day to gain System privileges.
Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft ...
A new report out today from Aim Security Ltd. reveals the first known zero-click artificial intelligence vulnerability that could have allowed attackers to exfiltrate sensitive internal data without ...
Data security research firm Varonis Threat Labs has published a report that details an exploit it calls "Reprompt" that allowed attackers to silently steal your personal data via Microsoft Copilot.
Microsoft has released out-of-band (OOB) security updates to patch a critical-severity Windows Server Update Service (WSUS) vulnerability with publicly available proof-of-concept exploit code. WSUS is ...
Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, August 10, 2025: This story, originally published on ...
The now presented proof-of-concept exploit with the title “RedSun” allows attackers to gain extensive system privileges under ...
A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit ...
Microsoft has released out-of-band (OOB) security updates to patch a critical ASP.NET Core privilege escalation vulnerability ...
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