Microsoft suggests the threat is being used in phishing attacks against vulnerable systems since successful exploitation requires local access to the PC.

Russia-linked hacking group Fancy Bear is exploiting a brand-new vulnerability in Microsoft Office, CERT-UA says ...

A hole in Microsoft Office is being exploited by bad actors, including Russian hackers targeting Ukraine's government.

Ukraine's Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026-21509, a recently patched vulnerability in multiple versions of Microsoft Office.

APT28's attacks use specially crafted Microsoft Rich Text Format (RTF) documents to kick off a multistage infection chain to deliver malicious payloads.

Using sophisticated techniques, the APT28 hacking group turned vulnerabilities in the Microsoft Office platform into weapons for cyberattacks on numerous organizations and countries.

Cybersecurity investigators have identified a new cyberattack campaign connected to the Russia-linked hacking group APT28, ...

When exploited, the flaw can enable an attacker to bypass object linking and embedding mitigations in Microsoft 365 and ...

Microsoft is investigating an outage that blocks some administrators with business or enterprise subscriptions from accessing the Microsoft 365 admin center.

Critical security flaws targeting Windows and Office users allow hackers to take complete control of a victim's computer by ...

Thousands of IT admins were locked out as a Microsoft 365 admin center outage disrupted access for North American businesses.

Microsoft is investigating a service degradation affecting Microsoft 365 Business and Enterprise users in North America, with ...