More results...
A new campaign by the Russian-linked group APT28, called Op Neusploit, exploits a Microsoft Office flaw to steal emails for remote control of devices in Ukraine, Slovakia, and Romania.
Russian state-sponsored hackers Fancy Bear (aka APT 28) are exploiting CVE-2026-21509, a Microsoft Office vulnerability for which Microsoft released an emergency fix last week. The exploitation CVE-2026-21509 allows unauthorized attackers to bypass a s…
Microsoft gives the FBI the ability to decrypt BitLocker in response to court orders: about twenty times per year.
It’s possible for users to store those keys on a device they own, but Microsoft also recommends BitLocker users store their keys on…
A stealthy data theft technique in Microsoft 365 that abuses Outlook add-ins to exfiltrate email content without leaving meaningful forensic traces. The technique, dubbed “Exfil Out&Look,” takes advantage of how Outlook Web Access (OWA) handles add…
France’s government has made a decisive move to eliminate foreign videoconferencing platforms from its operations, rejecting Zoom and Microsoft Teams in favor of a domestically controlled alternative. On January 26, 2026, France announced the nat…
Microsoft released emergency Office security updates to fix a security feature bypass vulnerability (CVE-2026-21509) that its threat intelligence and security teams spotted being exploited in the wild in zero-day attacks. Users and admins are advised t…
The vulnerability is tracked as CVE-2026-21509 and it can be exploited to bypass security features.
The post Microsoft Patches Office Zero-Day Likely Exploited in Targeted Attacks appeared first on SecurityWeek.
Microsoft issued emergency updates to fix an actively exploited Office zero-day, CVE-2026-21509, affecting Office 2016–2024 and Microsoft 365 Apps. Microsoft released out-of-band security updates to address an actively exploited Office zero-day vulnerability tracked as CVE-2026-21509. The issue is a security feature bypass vulnerability that affects multiple Office versions, including Microsoft Office 2016, Microsoft Office 2019, […]
Scammers are abusing Microsoft Teams invitations to send fake billing notices, with 12,866 emails reaching around 6,135 users in a phone-based phishing campaign.
Microsoft has released two critical out-of-band (OOB) security patches targeting widespread issues affecting Windows 11 users following January’s monthly security updates. The emergency patches, KB5078127 and KB5078132, address severe file system…