CVE-2023-24880

Microsoft Corp. today pushed software updates to plug more than 70 security holes in its Windows operating systems and related products, including two zero-day vulnerabilities that are already being exploited in active attacks.

Hello everyone! This episode will be about Microsoft Patch Tuesday for March 2023, including vulnerabilities that were added between February and March Patch Tuesdays. Alternative video link (for Russia): https://vk.com/video-149273431_456239119 As usual, I use my open source Vulristics project to analyse and prioritize vulnerabilities. I took the comments about the vulnerabilities from the Qualys, Tenable, Rapid7, ZDI […]

Microsoft's Patch Tuesday update for March 2023 is rolling out with remediations for a set of 80 security flaws, two of which have come under active exploitation in the wild. Eight of the 80 bugs are rated Critical, 71 are rated Important, and one is rated Moderate in severity. The updates are in addition to 29 flaws the tech giant fixed in its Chromium-based Edge browser in recent weeks. The

Categories: Exploits and vulnerabilities Categories: News Tags: patch Tuesday Tags: March Tags: 2023 Tags: Microsoft Tags: Adobe Tags: Fortinet Tags: Android Tags: SAP Tags: CVE-2023-23397 Tags: CVE-2023-24880 Tags: CVE-2023-26360 Tags: CVE-2022-41328 This Patch Tuesday, Microsoft has released fixes for two actively exploited zero-days and Adobe has fixed one. (Read more...) The post Update now! Microsoft fixes two zero-day bugs appeared first on Malwarebytes Labs.

Security vendors urge organizations to fix the actively exploited bugs, in Microsoft Outlook and the Mark of the Web feature, immediately.

Microsoft disclosed 83 vulnerabilities across the company’s hardware and software line, including two issues that are actively being exploited in the wild, continuing a trend of zero-days appearing in Patch Tuesdays over the past few months.

**What is the relationship between Mark of the Web and Windows SmartScreen?** When you download a file from the internet, Windows adds the zone identifier or Mark of the Web as an NTFS stream to the file. So, when you run the file, Windows SmartScreen checks if there is a zone identifier Alternate Data Stream (ADS) attached to the file. If the ADS indicates ZoneId=3 which means that the file was downloaded from the internet, the SmartScreen does a reputation check. For more information on SmartScreen, please visit Microsoft Defender SmartScreen overview | Microsoft Learn.