CVE & CISA-KEV Catalog

CVE-2023-24880

MEDIUMCISA KEVEPSS 100th pctl
4.4
CVSS v3
NVD

Description

Windows SmartScreen Security Feature Bypass Vulnerability

How to fix

Remediation Available
Windows 10 Version 1607Windows
Install:KB5023697Microsoft
Windows 10 Version 1809Windows
Install:KB5023702Microsoft
Windows 10 Version 20H2Windows
Install:KB5023696Microsoft
Windows 10 Version 21H2Windows
Install:KB5023696Microsoft
Windows 10 Version 22H2Windows
Install:KB5023696Microsoft
Windows 11 Version 22H2Windows
Install:KB5023706Microsoft
Windows 11 version 21H2Windows
Install:KB5023698Microsoft
Windows Server 2016Windows
Install:KB5023697Microsoft
Windows Server 2016 (Server Core installation)Windows
Install:KB5023697Microsoft
Windows Server 2019Windows
Install:KB5023702Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5023702Microsoft
Windows Server 2022Windows
Install:KB5023705Microsoft
Install:KB5023786
Windows Server 2022 (Server Core installation)Windows
Install:KB5023786
Install:KB5023705Microsoft

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityLow
AvailabilityLow

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Exploit Intelligence

78.15%probability of exploitation in 30 days
100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Windows SmartScreen Security Feature Bypass Vulnerability

Microsoft Windows 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.

Apply updates per vendor instructions.

Remediation due: 2023-04-04

Associated with ransomware campaigns

References

Government Resource1

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-22518Critical9.8100%KEV + RansomFix
CVE-2023-38035Critical9.8100%KEV + Ransom-
CVE-2022-46169Critical9.8100%KEVFix
CVE-2024-38856Critical9.899%KEVFix
CVE-2025-29927Critical9.199%-Fix
CVE-2020-36289Medium5.399%-Fix

Common questions

How do I fix CVE-2023-24880?

Published advisories record a fix for 13 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2023-24880 being actively exploited?

Yes. CVE-2023-24880 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. CISA has also linked it to known ransomware campaigns. US federal agencies were required to remediate it by 2023-04-04. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2023-24880?

CVE-2023-24880 has a CVSS v3 base score of 4.4, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-24880 affect?

Published advisories record a fix for Windows 10 Version 1607 (Windows), Windows 10 Version 1809 (Windows), Windows 10 Version 20H2 (Windows), Windows 10 Version 21H2 (Windows), and 9 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-27.