SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-50659

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

MEDIUM 6.5EPSS 0.55%

Does this matter?

Lower severity and a low EPSS score (0.55%). Track it; it rarely justifies an emergency change on its own.

Description

Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS
0.55% probability · 44th percentile
CISA KEV
Not listed
Weakness
CWE-116
Affected
microsoft/.net framework · microsoft/.net · microsoft/visual studio 2022 · microsoft/visual studio 2026
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.