How severe is CVE-2023-32049?

CVE-2023-32049 has a CVSS 3.1 base score of 8.8 (HIGH). EPSS estimates a 4.2% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2023-32049: Windows SmartScreen Security Feature Bypass

CISA Known Exploited Vulnerabilities

Microsoft Windows Defender SmartScreen Security Feature Bypass Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-07-11

Remediation due

2023-08-01

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

CISA notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-32049; https://nvd.nist.gov/vuln/detail/CVE-2023-32049

Description

Windows SmartScreen Security Feature Bypass Vulnerability

Severity

CVSS 3.1 · CNA8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Microsoft	Windows 10 Version 1809	10.0.17763.0 to <10.0.17763.4645
Microsoft	Windows 10 Version 1809	10.0.0 to <10.0.17763.4645
Microsoft	Windows Server 2019	10.0.17763.0 to <10.0.17763.4645
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 to <10.0.17763.4645
Microsoft	Windows Server 2022	10.0.20348.0 to <10.0.20348.1850
Microsoft	Windows 11 version 21H2	10.0.0 to <10.0.22000.2176
Microsoft	Windows 10 Version 21H2	10.0.19043.0 to <10.0.19044.3208
Microsoft	Windows 11 version 22H2	10.0.22621.0 to <10.0.22621.1992
Microsoft	Windows 10 Version 22H2	10.0.19045.0 to <10.0.19045.3208
Microsoft	Windows 10 Version 1607	10.0.14393.0 to <10.0.14393.6085
Microsoft	Windows Server 2016	10.0.14393.0 to <10.0.14393.6085
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 to <10.0.14393.6085

References

1 Links

Vendor advisories

Windows SmartScreen Security Feature Bypass Vulnerability

Record Details

Published

2023-07-11

Last updated

2026-01-12

Assigner (CNA)

microsoft

Credited to

More from Microsoft

CVE-2019-07089.8

Microsoft Remote Desktop Services Remote Code Execution Vulnerability

CVE-2021-344739.1

Microsoft Exchange Server Remote Code Execution Vulnerability

CVE-2025-537709.8

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVE-2021-268559.1

Microsoft Exchange Server Remote Code Execution Vulnerability

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.