Security restrictions bypass in Microsoft Windows SmartScreen
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2024-21351 |
| CWE-ID | CWE-254 |
| 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 critical risk vulnerability.
1) Security features bypass
EUVDB-ID: #VU86397
Risk: Critical
CVSSv3.1: 7.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L/E:H/RL:O/RC:C]
CVE-ID: CVE-2024-21351
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper input validation when handling files downloaded from the Internet. A remote attacker can bypass the SmartScreen protection feature and trick the victim into launching a malicious files on the system.
Note, the vulnerability is being actively exploited in the wild.
Install updates from vendor's website.
Vulnerable software versionsWindows: 10 - 11 23H2 10.0.22631.2428
Windows Server: 2016 10.0.14393.10 - 2022 23H2
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2024-21351
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.
