Security News

August 2023 Patch Tuesday is here; among the 76 CVE-numbered issues fixed by Microsoft this time around is a DoS vulnerability in. There is a Microsoft Office "Defense in Depth Update" available that, according to Microsoft, stops the attack chain leading to CVE-2023-36884, a Windows Search RCE vulnerability that has been previously exploited by Russian hackers in targeted attacks.

Today is Microsoft's August 2023 Patch Tuesday, with security updates for 87 flaws, including two actively exploited and twenty-three remote code execution vulnerabilities. This month's Patch Tuesday fixes two zero-day vulnerabilities, with both exploited in attacks and one of them publicly disclosed.

Attackers can turn AWS SSM agents into remote access trojansMitiga researchers have documented a new post-exploitation technique attackers can use to gain persistent remote access to AWS Elastic Compute Cloud instances, as well as to non-EC2 machines. August 2023 Patch Tuesday forecast: Software security improvementsThe continued onslaught of phishing attacks, ransomware deployment, and other exploitation is forcing the community to pay closer attention to early identification, as well as fast response, to vulnerabilities in their software.

The continued onslaught of phishing attacks, ransomware deployment, and other exploitation is forcing the community to pay closer attention to early identification, as well as fast response, to...

Today is Microsoft's July 2023 Patch Tuesday, with security updates for 132 flaws, including six actively exploited and thirty-seven remote code execution vulnerabilities. "An attacker must have local access to the targeted machine and the user must be able to create folders and performance traces on the machine, with restricted privileges that normal users have by default," warns Microsoft.

There's been a lot of activity with Microsoft this month which may impact updates we'll see. Starting on Patch Tuesday, the application of Windows 11 22H2 KB5027231 cumulative update broke Google Chrome for users running Malwarebytes, Cisco Secure Endpoint, and WatchGuard Endpoint Security - they were not able to launch Google Chrome.

In case you were wondering, there were 26 Remote Code Execution patches, including four dubbed "Critical", although three of those seem to related bugs that were found and fixed together in a single Windows component. RCE patches generally cause the most concern, because they deal with bugs that can, in theory at least, be exploited by attackers who don't yet have a foothold on your network, which means they represent possible ways of criminals breaking-and-entering in the first place.

Microsoft has released security updates for 78 flaws for June's Patch Tuesday, and luckily for admins, none of these are under exploit. CVE-2023-29357, a Microsoft SharePoint Server Elevation of Privilege Vulnerability, is one that Redmond lists as "Exploitation more likely." This may be because it, when chained with other bugs, was used to bypass authentication during March's Pwn2Own contest.

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 known before today! Microsoft has previously fixed CVE-2023-3079, a type confusion vulnerability in Chromium's V8 JavaScript engine, which was spotted being exploited by attackers to target Chrome users.

Today is Microsoft's June 2023 Patch Tuesday, with security updates for 78 flaws, including 38 remote code execution vulnerabilities. While thirty-eight RCE bugs were fixed, Microsoft only listed six flaws as 'Critical,' including denial of service attacks, remote code execution, and privilege elevation.