CVE-2023-32049

Windows SmartScreen Security Feature Bypass Vulnerability

High 8.8
Exploited: added to CISA KEV 11 Jul 2023

Description

Windows SmartScreen Security Feature Bypass Vulnerability

Key facts

Published: 11 Jul 2023
Last changed: 12 Jan 2026
Assigned by: microsoft
KEV added: 11 Jul 2023
KEV fix due: 1 Aug 2023
EPSS: 4.156% likely to be exploited in the next 30 days, higher than 91.031% of CVEs (scores for 15 Nov 2026)
SSVC (CISA): Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

8.8CVSS 3.1, Highfrom the CNA (microsoft)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

What to do

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

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

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

Timeline

11 Jul 2023 Added to the CISA KEV catalogue
11 Jul 2023 Published

References

Windows SmartScreen Security Feature Bypass Vulnerabilityvendor-advisory