CVE-2023-24880mediumunder attackransomwareCWE-863

CVE-2023-24880: medium-severity vulnerability in Microsoft Windows 10 Version 1607

Windows SmartScreen Security Feature Bypass Vulnerability

Published · Updated

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65Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 4.4epss 78%
from disclosure to weapon
Published on NVDMar 14
CISA KEVMar 14
Action required by CISAfederal deadline: 2023-04-04

Apply updates per vendor instructions.

In short

Windows SmartScreen, a security feature that warns users about potentially dangerous files and websites, can be bypassed by attackers. This allows malicious files or phishing sites to bypass protections that would normally block them.

Technical detail

CWE-863 (Incorrect Authorization) allows attackers to bypass SmartScreen's file and URL reputation checks through improper validation mechanisms. The vulnerability requires user interaction but enables delivery of malware or phishing content that would otherwise be blocked by the security feature.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Windows SmartScreen Security Feature Bypass Vulnerability
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:F/RL:O/RC:C