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High MSRC-CVE-2025-55248 1 CVE

.NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability

Published Oct 14, 2025 · Updated Oct 14, 2025

Summary

Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability is Personally Identifiable Information (PII).

According to the CVSS metric, user interaction is required (UI:R) and privileges required is Low (PR:L). What does that mean for this vulnerability?
An authorized attacker with read/write privileges must send a victim a malicious email, or share the link to a malicious email, and convince them to open it.

Security updates
4.8.04798.02 — https://support.microsoft.com/help/5066136
4.8.04798.02 — https://support.microsoft.com/help/5066739
4.8.04798.04 — https://support.microsoft.com/help/5066740
4.8.04798.04 — https://support.microsoft.com/help/5066741
4.8.04798.02 — https://support.microsoft.com/help/5066738
4.8.04798.04 — https://support.microsoft.com/help/5066743
4.8.04798.04 — https://support.microsoft.com/help/5066746
4.8.04798.04 — https://support.microsoft.com/help/5066747
10.0.14393.8519 — https://support.microsoft.com/help/5066836
4.7.04137.03 — https://support.microsoft.com/help/5066742
4.8.1.09321.01 — https://support.microsoft.com/help/5066133
4.8.1.09321.01 — https://support.microsoft.com/help/5066129
4.8.1.09321.01 — https://support.microsoft.com/help/5066131
4.8.1.09321.01 — https://support.microsoft.com/help/5066128
8.0.21 — https://support.microsoft.com/help/5068331
9.0.10 — https://support.microsoft.com/help/5068332
17.12.13 — https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes

Vulnerabilities 1

Revision history

  1. #1

    Information published.

References