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Microsoft
Microsoft cracks down on malicious meeting invites

Phishing is shifting into places people rarely check. Meeting invites that plant themselves on calendars can survive long after the malicious email is gone. That leaves a …

Patch Tuesday
Patch Tuesday: Microsoft fixes actively exploited Windows kernel vulnerability (CVE-2025-62215)

Microsoft has delivered a rather light load of patches for November 2025 Patch Tuesday: some 60+ vulnerabilities have received a fix, among them an actively exploited Windows …

Patch Tuesday
Microsoft patches three zero-days actively exploited by attackers

On October 2025 Patch Tuesday, Microsoft released fixes for 175+ vulnerabilities, including three zero-days under active attack: CVE-2025-24990, CVE-2025-59230, and …

Patch Tuesday
Microsoft fixes “BadSuccessor” Kerberos vulnerability (CVE-2025-53779)

For August 2025 Patch Tuesday, Microsoft has released security updates resolving 100+ security vulnerabilities in its various solutions, including a relative path traversal …

Patch Tuesday
Microsoft fixes critical wormable Windows flaw (CVE-2025-47981)

For July 2025 Patch Tuesday, Microsoft has released patches for 130 vulnerabilities, among them one that’s publicly disclosed (CVE-2025-49719) and a wormable RCE bug on …

Patch Tuesday
Microsoft fixes zero-day exploited for cyber espionage (CVE-2025-33053)

For June 2025 Patch Tuesday, Microsoft has fixed 66 new CVEs, including a zero-day exploited in the wild (CVE-2025-33053). Also, Adobe Commerce and Magento Open Source users …

Patch Tuesday
Microsoft fixes actively exploited Windows Hyper-V zero-day flaws

Microsoft has marked January 2025 Patch Tuesday with a hefty load of patches: 157 CVE-numbered security issues have been fixed in various products, three of which (in Hyper-V) …

phishing
Phishers send corrupted documents to bypass email security

Phishers have come up with a new trick for bypassing email security systems: corrupted MS Office documents. The spam campaign Malware hunting service Any.Run has warned last …

Patch Tuesday
Microsoft fixes 6 zero-days under active attack

August 2024 Patch Tuesday is here, and Microsoft has delivered fixes for 90 vulnerabilities, six of which have been exploited in the wild as zero-days, and four are publicly …

Microsoft Office
Unpatched MS Office flaw may leak NTLM hashes to attackers (CVE-2024-38200)

A new MS Office zero-day vulnerability (CVE-2024-38200) can be exploited by attackers to grab users’ NTLM hashes, Microsoft has shared late last week. The vulnerability …

zero day
Zero-day patched by Microsoft has been exploited by attackers for over a year (CVE-2024-38112)

CVE-2024-38112, a spoofing vulnerability in Windows MSHTML Platform for which Microsoft has released a fix on Tuesday, has likely been exploited by attackers in the wild for …

Patch Tuesday
Microsoft patches two zero-days exploited by attackers (CVE-2024-21412, CVE-2024-21351)

On February 2024 Patch Tuesday, Microsoft has delivered fixes for 72 CVE-numbered vulnerabilities, including two zero-days (CVE-2024-21412, CVE-2024-21351) that are being …

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