All vulnerabilities
CVE-2023-32049

Microsoft Windows Defender SmartScreen Security Feature Bypass Vulnerability

Microsoft WindowsOperating systems
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 11 Jul 2023CISA KEV
Exploit odds (EPSS)4.16%Chance of exploitation activity in the next 30 days, higher than 90% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.0.17763.4645Also 10.0.20348.1850, 10.0.22000.2176 and 4 moreCVE List
Federal deadline1 Aug 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions or discontinue use of the product if updates are unavailable. CISA KEV

What fixes it

  • 10.0.17763.4645Windows 10 Version 1809CVE List
  • 10.0.17763.4645Windows Server 2019CVE List
  • 10.0.17763.4645Windows Server 2019 (Server Core installation)CVE List
  • 10.0.20348.1850Windows Server 2022CVE List
  • 10.0.22000.2176Windows 11 version 21H2CVE List
  • 10.0.19044.3208Windows 10 Version 21H2CVE List
Show all 11 fixed versions
  • 10.0.22621.1992Windows 11 version 22H2CVE List
  • 10.0.19045.3208Windows 10 Version 22H2CVE List
  • 10.0.14393.6085Windows 10 Version 1607CVE List
  • 10.0.14393.6085Windows Server 2016CVE List
  • 10.0.14393.6085Windows Server 2016 (Server Core installation)CVE 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. 11 Jul 2023Added to CISA KEVCISA KEV
  2. 11 Jul 2023, 17:02 UTCPublishedCVE List

Description

Microsoft Windows Defender SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the Open File - Security Warning prompt.

Text from CVE List

Affected versions 12

  • Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.4645CVE List
  • Windows 10 Version 1809affected: 10.0.0 before 10.0.17763.4645CVE List
  • Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.4645CVE List
  • Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.4645CVE List
  • Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.1850CVE List
  • Windows 11 version 21H2affected: 10.0.0 before 10.0.22000.2176CVE List
  • Windows 10 Version 21H2affected: 10.0.19043.0 before 10.0.19044.3208CVE List
  • Windows 11 version 22H2affected: 10.0.22621.0 before 10.0.22621.1992CVE List
  • Windows 10 Version 22H2affected: 10.0.19045.0 before 10.0.19045.3208CVE List
  • Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.6085CVE List
  • Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.6085CVE List
  • Windows Server 2016 (Server Core installation)affected: 10.0.14393.0 before 10.0.14393.6085CVE List

References 4