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Kazuar, a sophisticated malware family attributed to the Russian state actor Secret Blizzard, has been under constant development for years and continues to evolve in support of espionage-focused operations. Over time, Kazuar has expanded from a relatively traditional backdoor into a highly modular peer-to-peer (P2P) botnet ecosystem designed to enable persistent, covert access to target environments.

The post Kazuar: Anatomy of a nation-state botnet appeared first on Microsoft Security Blog.

Continue reading Kazuar: Anatomy of a nation-state botnet→

Exposure of sensitive information to an unauthorized actor in Microsoft Authenticator allows an unauthorized attacker to disclose information over a network. Continue reading CVE-2026-41615 Microsoft Authenticator Information Disclosure Vulnerability→

Improper neutralization of input during web page generation (‘cross-site scripting’) in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network. Continue reading CVE-2026-42897 Microsoft Exchange Server Spoofing Vulnerability→

Improper neutralization of input during web page generation (‘cross-site scripting’) in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network. Continue reading CVE-2026-42897 Microsoft Exchange Server Spoofing Vulnerability→

There are moments in this industry when you can feel the ecosystem lean in. This week in Taipei was one of them.

For two days at WinHEC 2026 (Windows Hardware Engineering Conference) — Microsoft’s first WinHEC since 2018 — we had the privilege

The post Raising the bar together. Introducing the Driver Quality Initiative at WinHEC 2026 appeared first on Windows Experience Blog.

Continue reading Raising the bar together. Introducing the Driver Quality Initiative at WinHEC 2026→

There are moments in this industry when you can feel the ecosystem lean in. This week in Taipei was one of them.

For two days at WinHEC 2026 (Windows Hardware Engineering Conference) — Microsoft’s first WinHEC since 2018 — we had the privilege

The post Raising the bar together. Introducing the Driver Quality Initiative at WinHEC 2026 appeared first on Windows Experience Blog.

Continue reading Raising the bar together. Introducing the Driver Quality Initiative at WinHEC 2026→

There are moments in this industry when you can feel the ecosystem lean in. This week in Taipei was one of them.

For two days at WinHEC 2026 (Windows Hardware Engineering Conference) — Microsoft’s first WinHEC since 2018 — we had the privilege

The post Raising the bar together. Introducing the Driver Quality Initiative at WinHEC 2026 appeared first on Windows Blog.

Continue reading Raising the bar together. Introducing the Driver Quality Initiative at WinHEC 2026→

Edge just made it easier to go from first tab to final plan, wherever you go. Your favorite Copilot experiences, plus new ones, are now available directly in Edge on desktop and, for the first time, in the Edge mobile app.

This includes capabilities

The post New updates to Edge across desktop and mobile appeared first on Windows Blog.

Continue reading New updates to Edge across desktop and mobile→