Is CVE-2024-43550 in the CISA KEV catalog?

No. CVE-2024-43550 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-43550?

CVE-2024-43550 has a CVSS v3 base score of 7.4 (HIGH).

What is the EPSS score for CVE-2024-43550?

CVE-2024-43550 has an EPSS score of 1.08% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-43550?

Install KB5044286 for Windows 10. Fixes are available for 20 affected products.

CVE & CISA-KEV Catalog

CVE-2024-43550

HIGH

7.4

CVSS v3

NVD

Description

Windows Secure Channel Spoofing Vulnerability

CWE-295Improper Certificate Validation

How to fix

Remediation Available

Windows 10Windows

Install:KB5044286Microsoft

Windows 10 Version 1607Windows

Install:KB5044293Microsoft

Windows 10 Version 1809Windows

Install:KB5044277Microsoft

Windows 10 Version 21H2Windows

Install:KB5044273Microsoft

Windows 10 Version 22H2Windows

Install:KB5044273Microsoft

Windows 11 Version 22H2Windows

Install:KB5044285Microsoft

Windows 11 Version 23H2Windows

Install:KB5044285Microsoft

Windows 11 Version 24H2Windows

Install:KB5044284Microsoft

Windows 11 version 21H2Windows

Install:KB5044280Microsoft

Windows Server 2012Windows

Install:KB5044342Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5044342Microsoft

Windows Server 2012 R2Windows

Install:KB5044343Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5044343Microsoft

Windows Server 2016Windows

Install:KB5044293Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5044293Microsoft

Windows Server 2019Windows

Install:KB5044277Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5044277Microsoft

Windows Server 2022Windows

Install:KB5044281Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5044281Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)Windows

Install:KB5044288Microsoft

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 VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.08%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Patch1

msrc.microsoft.com

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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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 2024-10-17.