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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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

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 KEVConfirmed exploitationCVE-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.orgVulnerability recordCVE-2023-32049

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-32049

    30-day exploitation probability 4.2%

    first.org
  • NIST NVDVulnerability recordCVE-2023-32049

    Windows SmartScreen Security Feature Bypass Vulnerability

    nvd.nist.gov

References