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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since December 13, 2022.

Known ransomware use

CVE-2022-44698

Microsoft Defender SmartScreen Security Feature Bypass Vulnerability

Microsoft · Defender

Added to KEV December 13, 2022

Alert details

Source feed
CISA KEV
CVE ID
CVE-2022-44698
CWE
CWE-755
Affected products
Defender · Microsoft Defender · Microsoft

What happened

Microsoft Defender SmartScreen contains a security feature bypass vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file.

What it means for your business

Microsoft Defender is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2022-44698). Microsoft Defender SmartScreen contains a security feature bypass vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file. CISA remediation due date: 2023-01-03. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: January 3, 2023

Sources

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