CVE & CISA-KEV Catalog

CVE-2023-24946

HIGH
7.8
CVSS v3
NVD

Description

Windows Backup Service Elevation of Privilege Vulnerability

CWE-591

How to fix

Remediation Available
Windows 10Windows
Install:KB5026382Microsoft
Windows 10 Version 1607Windows
Install:KB5026363Microsoft
Windows 10 Version 1809Windows
Install:KB5026362Microsoft
Windows 10 Version 20H2Windows
Install:KB5026361Microsoft
Windows 10 Version 21H2Windows
Install:KB5026361Microsoft
Windows 10 Version 22H2Windows
Install:KB5026361Microsoft
Windows 11 Version 22H2Windows
Install:KB5026372Microsoft
Windows 11 version 21H2Windows
Install:KB5026368Microsoft
Windows Server 2008 R2Windows
Install:KB5026413Microsoft
Install:KB5026426Microsoft
Windows Server 2016Windows
Install:KB5026363Microsoft
Windows Server 2016 (Server Core installation)Windows
Install:KB5026363Microsoft
Windows Server 2019Windows
Install:KB5026362Microsoft
Windows Server 2019 (Server Core installation)Windows
Install:KB5026362Microsoft

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 RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.44%probability of exploitation in 30 days
37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Related Vulnerabilities

Other CWE-591 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-30394Medium5.924%-Fix
CVE-2023-36005High7.524%-Fix
CVE-2025-21309High8.115%-Fix
CVE-2023-28220High8.115%-Fix
CVE-2023-28219High8.115%-Fix
CVE-2024-38106High7.06.3%KEVFix

Common questions

How do I fix CVE-2023-24946?

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-2023-24946 being actively exploited?

Not that we know of. CVE-2023-24946 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.44% is the estimated probability that it will be exploited in the next 30 days. That is higher than 37% of all scored CVEs.

How severe is CVE-2023-24946?

CVE-2023-24946 has a CVSS v3 base score of 7.8, rated high. 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-2023-24946 affect?

Published advisories record a fix for Windows 10 (Windows), Windows 10 Version 1607 (Windows), Windows 10 Version 1809 (Windows), Windows 10 Version 20H2 (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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CVE-2023-24946 severity badge

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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 2024-11-21.