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 …
Qakbot: The trojan that just won’t go away
Qakbot (aka Qbot) – banking malware-turned-malware/ransomware distribution network – has been first observed in 2007 and is active to this day. The neverending …
New Buhti ransomware uses leaked payloads and public exploits
A newly identified ransomware operation has refashioned leaked LockBit and Babuk payloads into Buhti ransomware, to launch attacks on both Windows and Linux systems. Use of …
Microsoft fixes two actively exploited bugs, one used by BlackLotus bootkit (CVE-2023-29336, CVE-2023-24932)
For May 2023 Patch Tuesday, Microsoft has delivered fixes for 38 CVE-numbered vulnerabilities, including a patch for a Windows bug (CVE-2023-29336) and a Secure Boot bypass …
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 …
3CX supply chain attack: What do we know?
Five days have passed since the supply chain attack targeting 3CX customers gained wider public attention, but the software’s manufacturer is yet to confirm how the …
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, …
BlackLotus UEFI bootkit disables Windows security mechanisms
ESET researchers have published the first analysis of a UEFI bootkit capable of circumventing UEFI Secure Boot, a critical platform security feature. The functionality of the …
Researchers release PoC exploit for critical Windows CryptoAPI bug (CVE-2022-34689)
Akamai researchers have published a PoC exploit for a critical vulnerability (CVE-2022-34689) in Windows CryptoAPI, which validates public key certificates. “An attacker …
Microsoft fixes exploited zero-day, revokes certificate used to sign malicious drivers (CVE-2022-44698)
It’s December 2022 Patch Tuesday, and Microsoft has delivered fixes for 50+ vulnerabilities, including a Windows SmartScreen bypass flaw (CVE-2022-44698) exploited by …
Microsoft fixes many zero-days under attack
November 2022 Patch Tuesday is here, with fixes for many vulnerabilities actively exploited in the wild, including CVE-2022-41091, a Windows Mark of the Web bypass flaw, and …
Microsoft patches Windows flaw exploited in the wild (CVE-2022-41033)
October 2022 Patch Tuesday is here, with fixes for 85 CVE-numbered vulnerabilities, including CVE-2022-41033, a vulnerability in Windows COM+ Event System Service that has …
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