Microsoft Exchange
Russian hackers use old Outlook vulnerability to target Polish orgs (CVE-2023-23397)
Russian state-backed hacking group Forest Blizzard (aka Fancy Bear, aka APT28) has been using a known Microsoft Outlook vulnerability (CVE-2023-23397) to target public and …
Microsoft fixes exploited WordPad, Skype for Business zero-days (CVE-2023-36563, CVE-2023-41763)
On this October 2023 Patch Tuesday, Microsoft has released 103 patches and has fixed three actively exploited vulnerabilities (CVE-2023-36563, CVE-2023-41763, CVE-2023-44487). …
Microsoft, Adobe fix zero-days exploited by attackers (CVE-2023-26369, CVE-2023-36761, CVE-2023-36802)
September 2023 Patch Tuesday is here, with fixes for actively exploited vulnerabilities in Adobe Acrobat and Reader (CVE-2023-26369), Microsoft Word (CVE-2023-36761), and …
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 …
Product showcase: Stellar Toolkit for Exchange – Restore Exchange Database
Time is of the essence when it comes to recovery after Exchange Server failure or database corruption, as organizations depend on emails for their day-to-day business …
June 2023 Patch Tuesday: Critical patches for Microsoft Windows, SharePoint, Exchange
For June 2023 Patch Tuesday, Microsoft has delivered 70 new patches but, for once, none of the fixed vulnerabilities are currently exploited by attackers nor were publicly …
Microsoft patches zero-day exploited by attackers (CVE-2023-28252)
It’s April 2023 Patch Tuesday, and Microsoft has released fixes for 97 CVE-numbered vulnerabilities, including one actively exploited zero-day (CVE-2023-28252). About …
Exchange Online will soon start blocking emails from old, vulnerable on-prem servers
Slowly but surely, Microsoft aims to make it impossible for unsupported and/or unpatched on-prem Microsoft Exchange servers to use the company’s Exchange Online hosted …
Microsoft Exchange admins advised to expand antivirus scanning
After having stressed the importance of keeping Exchange servers updated last month, Microsoft is advising administrators to widen the scope of antivirus scanning on those …
Microsoft patches three exploited zero-days (CVE-2023-21715, CVE-2023-23376, CVE-2023-21823)
The February 2023 Patch Tuesday is upon us, with Microsoft releasing patches for 75 CVE-numbered vulnerabilities, including three actively exploited zero-day flaws …
Microsoft plugs actively exploited zero-day hole (CVE-2023-21674)
To mark the January 2023 Patch Tuesday, Microsoft has released patches for 98 CVE-numbered vulnerabilities, including one exploited in the wild (CVE-2023-21674) and one …
Rackspace ransomware attack was executed by using previously unknown security exploit
The MS Exchange exploit chain recently revealed by Crowdstrike researchers is how the Play ransomware gang breached the Rackspace Hosted Exchange email environment, the …
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