MS Office
August 2023 Patch Tuesday: Microsoft fixes critical bugs in Teams, MSMQ
August 2023 Patch Tuesday is here; among the 76 CVE-numbered issues fixed by Microsoft this time around is a DoS vulnerability in .NET and Visual Studio (CVE-2023-38180) for …
Microsoft patches four exploited zero-days, but lags with fixes for a fifth (CVE-2023-36884)
For July 2023 Patch Tuesday, Microsoft has delivered 130 patches; among them are four for vulnerabilites actively exploited by attackers, but no patch for CVE-2023-36884, an …
Microsoft patches zero-days used by state-sponsored and ransomware threat actors (CVE-2023-23397, CVE-2023-24880)
It’s March 2023 Patch Tuesday, and Microsoft has delivered fixes for 76 CVE-numbered vulnerabilities, including two actively exploited in the wild (CVE-2023-23397, …
Microsoft to boost protection against malicious OneNote documents
Microsoft has announced that, starting in April 2023, they will be adding enhanced protection when users open or download a file embedded in a OneNote document – a known …
PoC exploit for recently patched Microsoft Word RCE is public (CVE-2023-21716)
A PoC exploit for CVE-2023-21716, a critical RCE vulnerability in Microsoft Word that can be exploited when the user previews a specially crafted RTF document, is now publicly …
Office exploits continue to spread more than any other category of malware
The latest Internet Security Report from the WatchGuard Threat Lab shows a reduction in overall malware detections from the peaks seen in the first half of 2021, along with an …
Escanor malware delivered in weaponized Microsoft Office documents
Resecurity, a Los Angeles-based cybersecurity company protecting Fortune 500 worldwide, identified a new RAT (Remote Administration Tool) advertised in Dark Web and Telegram …
87% of the ransomware found on the dark web has been delivered via malicious macros
Venafi announced the findings of a dark web investigation into ransomware spread via malicious macros. Conducted in partnership with criminal intelligence provider Forensic …
Microsoft adds default protection against RDP brute-force attacks
“Win11 builds now have a DEFAULT account lockout policy to mitigate RDP and other brute force password vectors,” David Weston of Enterprise and OS Security at …
Attackers are leveraging Follina. What can you do?
As the world is waiting for Microsoft to push out a patch for CVE-2022-30190, aka “Follina”, attackers around the world are exploiting the vulnerability in a …
Microsoft Office apps are vulnerable to IDN homograph attacks
Microsoft Office apps – including Outlook – are vulnerable to homograph attacks based on internationalized domain names (IDNs). In practice, this means that users …
Zero-day bug exploited by attackers via macro-less Office documents (CVE-2022-30190)
A newly numbered Windows zero-day vulnerability (CVE-2022-30190) is being exploited in the wild via specially crafted Office documents (without macros), security researchers …
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