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Vulnerabilities

Vulnerability · CVE-2022-44698

Microsoft Defender SmartScreen Security Feature Bypass Vulnerability

Published Dec 13, 2022 · catalog updated Jun 16, 2026 · Microsoft Defender

Patch now

CVE-2022-44698 is in the CISA known-exploited catalog, due Jan 3, 2023. Confirm Microsoft Defender against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Medium5.4
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
76.27%
Remediation
Remediation guidance
Affected products
cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1809 · cpe microsoft/windows 10 20h2 · cpe microsoft/windows 10 21h1 · cpe microsoft/windows 10 21h2 · cpe microsoft/windows 10 22h2

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 20h2version unspecified
  • cpe microsoft/windows 10 21h1version unspecified
  • cpe microsoft/windows 10 21h2version unspecified
  • cpe microsoft/windows 10 22h2version unspecified
  • cpe microsoft/windows 11 21h2version unspecified
  • cpe microsoft/windows server 2016version unspecified
  • vendor Microsoft Defenderversion unspecified

How to fix CVE-2022-44698

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-44698 is in the CISA known-exploited catalog, due Jan 3, 2023. Confirm Microsoft Defender against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-755: Improper Handling of Exceptional Conditions. EPSS 76.27%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Windows security

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. Dec 13, 2022 · Catalog

    Detected

    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.

  2. Dec 13, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Jan 3, 2023 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-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.gov
  • CVE.orgVulnerability recordCVE-2022-44698

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-44698

    30-day exploitation probability 76.3%

    first.org
  • NIST NVDVulnerability recordCVE-2022-44698

    Windows SmartScreen Security Feature Bypass Vulnerability

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.