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

Exp

Windows SmartScreen Security Feature Bypass Vulnerability

Published: 2023-07-11 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-32049 is rated Critical Active Threat (88.4/100): CVSS High severity, with high exploitation likelihood (EPSS 4.40%, 90th percentile). CISA KEV confirms active exploitation (added 2023-07-11) affecting Microsoft / Windows. Unauthenticated remote administrative access may be possible. The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2023-32049

Name: Microsoft Windows Defender SmartScreen Security Feature Bypass Vulnerability · CISA KEV detail

Exploit added: 2023-07-11

Action due: 2023-08-01

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

Exploit prediction scoring system (EPSS) score for CVE-2023-32049

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 7.70% 4.40% -3.30%
2 2026-06-12 8.94% 7.70% -1.23%
3 2026-05-24 — 8.94% —

Full EPSS history (39 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-32049

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]

Weakness enumeration for CVE-2023-32049

Affected software / configurations for CVE-2023-32049

Vendor Product Version Raw CPE
microsoft windows_10_1607 < 10.0.14393.6085 cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*
microsoft windows_10_1809 < 10.0.17763.4645 cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*
microsoft windows_10_21h2 < 10.0.19041.3208 cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
microsoft windows_10_22h2 < 10.0.19045.3208 cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
microsoft windows_11_21h2 < 10.0.22000.2176 cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*
microsoft windows_11_22h2 < 10.0.22621.1992 cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*
microsoft windows_server_2016 — cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
microsoft windows_server_2019 — cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
microsoft windows_server_2022 — cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*

References for CVE-2023-32049

cvelogic Threat Intelligence