Vulnerability identifier: #VU88316

Vulnerability risk: High

CVSSv3.1: 6.8 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2024-29988

CWE-ID: CWE-693

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insufficient implementation of the Mark of the Web (MotW) feature. A remote attacker can supply a malicious file inside an archive to bypass EDR/NDR detection, bypass the SmartScreen prompt and compromise the affected system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows: 10 1809 10.0.17763.1, 11 21H2 10.0.22000.194, 11 23H2 10.0.22631.2428, 11 22H2 10.0.22621.521, 10 22H2 10.0.19045.2130, 10 21H2 10.0.19044.1288, 10 21H1 10.0.19043.985, 10 1507 10.0.10240.16405, 10 20H2 10.0.19042.572, 10 2004 10.0.19041.264, 10 1909 10.0.18363.476, 10 1903 10.0.18362.116, 10 1803 10.0.17134.48, 10 1709 10.0.16299.19, 10 1703 10.0.15063.138, 10 1607 10.0.14393.10, 10 1511 10.0.10586.3

Windows Server: 2019 10.0.17763.1 - 2022 23H2

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External links
http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29988
http://www.zerodayinitiative.com/blog/2024/4/9/the-april-2024-security-updates-review
http://www.zerodayinitiative.com/advisories/ZDI-24-361/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.