Microsoft · Security update · January 29, 2025

KB5045998: January 2025 security update

KB5045998, released January 29, 2025, fixes 3 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

HighUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.0308

87th percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 0

Applies to

Product
.NET 6.0 installed on Linux
.NET 6.0 installed on Mac OS
.NET 6.0 installed on Windows

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
High	CVE-2024-43485	.NET and Visual Studio	Denial of Service	7.5	0.0308	Exploitation Less Likely
High	CVE-2024-43484	.NET, .NET Framework, Visual Studio	Denial of Service	7.5	0.0296	Exploitation Less Likely
High	CVE-2024-43483	.NET, .NET Framework, Visual Studio	Denial of Service	7.5	0.0290	Exploitation Less Likely

Released the same day

KB5045993
.NET 8.0 runtime installed on Linux, .NET 8.0 runtime installed on Mac OS, .NET 8.0 runtime installed on Windows

Vendor advisory

https://support.microsoft.com/help/5045998

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