Security News > 2024 > April > Microsoft fixes two Windows zero-days exploited in malware attacks

Microsoft fixes two Windows zero-days exploited in malware attacks
2024-04-09 22:06

Microsoft has fixed two actively exploited zero-day vulnerabilities during the April 2024 Patch Tuesday, although the company failed to initially tag them as such.

"Just as we did in 2022, we immediately reported our findings to the Microsoft Security Response Center. After validating our discovery, the team at Microsoft has added the relevant files to its revocation list," Budd said.

The second zero-day silently patched today by Microsoft is tracked as CVE-2024-29988 and described as a SmartScreen prompt security feature bypass vulnerability caused by a protection mechanism failure weakness.

CVE-2024-21412 was itself a bypass for another Defender SmartScreen vulnerability tracked as CVE-2023-36025, patched during the November 2023 Patch Tuesday and exploited as a zero-day to drop Phemedrone malware.

Today, Microsoft released security updates for 150 vulnerabilities as part of April 2024's Patch Tuesday, 67 of which were remote code execution bugs.

Microsoft fixes Windows Sysprep issue behind 0x80073cf2 errors.


News URL

https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-two-windows-zero-days-exploited-in-malware-attacks/

Related Vulnerability

DATE CVE VULNERABILITY TITLE RISK
2024-04-09 CVE-2024-29988 Unspecified vulnerability in Microsoft products
SmartScreen Prompt Security Feature Bypass Vulnerability
network
low complexity
microsoft
8.8
2024-02-13 CVE-2024-21412 Unspecified vulnerability in Microsoft products
Internet Shortcut Files Security Feature Bypass Vulnerability
network
low complexity
microsoft
8.1
2023-11-14 CVE-2023-36025 Unspecified vulnerability in Microsoft products
Windows SmartScreen Security Feature Bypass Vulnerability
network
low complexity
microsoft
8.8

Related vendor

VENDOR LAST 12M #/PRODUCTS LOW MEDIUM HIGH CRITICAL TOTAL VULNS
Microsoft 701 813 4663 4393 3691 13560