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October 27, 2025

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MS Office

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 CVE-2025-47827. The actively exploited vulnerabilities are an unusual mix CVE-2025-2499…

October 15, 2025
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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 flaw in Windows Kerberos (CVE-2025-53779) that allows an authorized attacker to…

August 13, 2025
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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 Windows and Windows Server (CVE-2025-47981). CVE-2025-49719 and CVE-2025-4971…

July 9, 2025
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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 are urged to update quickly. About CVE-2025-33053 CVE-2025-33053 is a remote c…

June 11, 2025
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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 which proof-of-exploit code exists. Other than the fact that a patch is availa…

August 8, 2023
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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 Office and Windows HTML RCE vulnerability exploited in targeted attacks aimed …

July 11, 2023
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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 74 CVE-numbered vulnerabilities, including two actively exploited in the wild (CVE-2023-23397, CVE-2023-24880) by different threat actors. About CVE-2023-23397 “CVE-2023-2…

March 14, 2023
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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 high-risk phishing file type. “Users will receive a notification when …

March 10, 2023
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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 available. Patches for the flaw – which affects a wide variety of MS O…

March 6, 2023
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Your Office Document is at Risk – XLL, A New Attack Vector

  Microsoft office documents are used worldwide by both corporates and home-users alike.  It’s different office versions, whether…
The post Your Office Document is at Risk – XLL, A New Attack Vector appeared first on Quick Heal Blog | Late…

February 21, 2023
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