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Findings

CVE-2023-32049

Microsoft Windows Defender SmartScreen Security Feature Bypass Vulnerability

Published Jul 11, 2023 · updated Jun 16, 2026 · microsoft windows 10 1607

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

Timeline

Detection, updates, and resolution for this record.

  1. Jul 11, 2023 · Catalog

    Detected

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

  2. Jul 11, 2023 · CISA KEV

    Known exploited

    Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

  3. Aug 1, 2023 · CISA KEV

    Remediation due

    Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

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

Required action

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

CISA due date Aug 1, 2023

Affected

  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 21h2version unspecified
  • cpe microsoft/windows 10 22h2version unspecified
  • cpe microsoft/windows 11 21h2version unspecified
  • cpe microsoft/windows 11 22h2version unspecified
  • cpe microsoft/windows server 2016version unspecified
  • cpe microsoft/windows server 2019version unspecified
  • vendor Microsoft Windowsversion unspecified

Sources

  • CISA KEVCVE-2023-32049

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

    cisa.gov
  • CVE.orgCVE-2023-32049

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2023-32049

    30-day exploitation probability 4.2%

    first.org
  • NIST NVDCVE-2023-32049

    Windows SmartScreen Security Feature Bypass Vulnerability

    nvd.nist.gov

References