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CVE-2023-32049: Windows SmartScreen Security Feature Bypass Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2023-07-11
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-11 · updated 2026-06-17

Description

Windows SmartScreen Security Feature Bypass Vulnerability

Affected products

• Microsoft Windows 10 1607: before 10.0.14393.6085 — fixed in 10.0.14393.6085
• Microsoft Windows 10: before 10.0.17763.4645 — fixed in 10.0.17763.4645
• Microsoft Windows 10: before 10.0.19041.3208 — fixed in 10.0.19041.3208
• Microsoft Windows 10: before 10.0.19045.3208 — fixed in 10.0.19045.3208
• Microsoft Windows 11 21H2: before 10.0.22000.2176 — fixed in 10.0.22000.2176
• Microsoft Windows 11: before 10.0.22621.1992 — fixed in 10.0.22621.1992
• Microsoft Windows Server 2016: all versions
• Microsoft Windows Server 2019: all versions
• Microsoft Windows Server 2022: all versions
• Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.6085 — fixed in 10.0.14393.6085
• Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.4645 — fixed in 10.0.17763.4645
• Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.3208 — fixed in 10.0.19044.3208
• Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.3208 — fixed in 10.0.19045.3208
• Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.2176 — fixed in 10.0.22000.2176
• Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.1992 — fixed in 10.0.22621.1992
• Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.6085 — fixed in 10.0.14393.6085
• Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.4645 — fixed in 10.0.17763.4645
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.1850 — fixed in 10.0.20348.1850

How to fix

Upgrade to a fixed version: Microsoft Windows 10 1607 10.0.14393.6085; Microsoft Windows 10 10.0.17763.4645; Microsoft Windows 10 10.0.19041.3208; Microsoft Windows 10 10.0.19045.3208; Microsoft Windows 11 21H2 10.0.22000.2176; Microsoft Windows 11 10.0.22621.1992; Microsoft Windows 10 1607 10.0.14393.6085; Microsoft Windows 10 10.0.17763.4645; Microsoft Windows 10 10.0.19044.3208; Microsoft Windows 10 10.0.19045.3208; Microsoft Windows 11 21H2 10.0.22000.2176; Microsoft Windows 11 10.0.22621.1992. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-32049
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-32049
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32049

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