SmartScreen prompt bypass in Microsoft Windows
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2024-29988 |
| CWE-ID | CWE-693 |
| Exploitation vector | Network |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Protection mechanism failure
EUVDB-ID: #VU88316
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 - Protection Mechanism Failure
Exploit availability: No
DescriptionThe 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.
Install updates from vendor's website.
Vulnerable software versionsWindows: 10 - 11 23H2
Windows Server: 2019 - 2022 23H2
External linkshttp://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/
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.
