All vulnerabilities
CVE-2022-44698

Microsoft Defender SmartScreen Security Feature Bypass Vulnerability

Microsoft Defender
Open in ThreatlineRecord JSON
CVSS
5.4Medium
ExploitationExploited in the wildAdded to KEV 13 Dec 2022. Known ransomware useCISA KEV
Exploit odds (EPSS)76.3%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.0.17763.3770Also 10.0.19043.2364, 10.0.20348.1366 and 5 moreCVE List
Federal deadline3 Jan 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

  • 10.0.17763.3770Windows 10 Version 1809CVE List
  • 10.0.17763.3770Windows Server 2019CVE List
  • 10.0.19043.2364Windows 10 Version 21H1CVE List
  • 10.0.20348.1366Windows Server 2022CVE List
  • 10.0.19042.2364Windows 10 Version 20H2CVE List
  • 10.0.22000.1335Windows 11 version 21H2CVE List
Show all 10 fixed versions
  • 10.0.19044.2364Windows 10 Version 21H2CVE List
  • 10.0.19045.2364Windows 10 Version 22H2CVE List
  • 10.0.14393.5582Windows 10 Version 1607CVE List
  • 10.0.14393.5582Windows Server 2016CVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 13 Dec 2022, 00:00 UTCPublishedCVE List
  2. 13 Dec 2022Added to CISA KEVCISA KEV

Description

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.

Text from CVE List

Affected versions 11

  • Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.3770CVE List
  • Windows 10 Version 1809affected: 10.0.0 before 10.0.17763.3770CVE List
  • Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.3770CVE List
  • Windows 10 Version 21H1affected: 10.0.0 before 10.0.19043.2364CVE List
  • Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.1366CVE List
  • Windows 10 Version 20H2affected: 10.0.0 before 10.0.19042.2364CVE List
  • Windows 11 version 21H2affected: 10.0.22000.0 before 10.0.22000.1335CVE List
  • Windows 10 Version 21H2affected: 10.0.19044.0 before 10.0.19044.2364CVE List
  • Windows 10 Version 22H2affected: 10.0.19045.0 before 10.0.19045.2364CVE List
  • Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.5582CVE List
  • Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.5582CVE List

References 3