Apr 2026: .NET Spoofing Vulnerability
CVE-2026-32178 Published on April 14, 2026
.NET Spoofing Vulnerability
Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.
Vulnerability Analysis
CVE-2026-32178 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
Improper Neutralization of Special Elements
The software receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as control elements or syntactic markers when they are sent to a downstream component. Most languages and protocols have their own special elements such as characters and reserved words. These special elements can carry control implications. If software does not prevent external control or influence over the inclusion of such special elements, the control flow of the program may be altered from what was intended. For example, both Unix and Windows interpret the symbol < ("less than") as meaning "read input from a file".
Products Associated with CVE-2026-32178
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Affected Versions
Microsoft .NET 10.0:- Version 10.0.0 and below 10.0.6 is affected.
- Version 8.0 and below 8.0.26 is affected.
- Version 8.0.0 and below 8.0.26 is affected.
- Version 9.0.0 and below 9.0.15 is affected.
- Version 17.12.0 and below 17.12.19 is affected.
- Version 17.14.0 and below 17.14.30 is affected.
- Version 0:10.0.106-1.el10_1 and below * is unaffected.
- Version 0:8.0.126-1.el10_1 and below * is unaffected.
- Version 0:9.0.116-1.el10_1 and below * is unaffected.
- Version 0:9.0.116-1.el10_0 and below * is unaffected.
- Version 0:8.0.126-1.el10_0 and below * is unaffected.
- Version 0:8.0.126-1.el8_10 and below * is unaffected.
- Version 0:10.0.106-1.el8_10 and below * is unaffected.
- Version 0:9.0.116-1.el8_10 and below * is unaffected.
- Version 0:8.0.126-1.el9_7 and below * is unaffected.
- Version 0:10.0.106-1.el9_7 and below * is unaffected.
- Version 0:9.0.116-1.el9_7 and below * is unaffected.
- Version 0:8.0.126-1.el9_4 and below * is unaffected.
- Version 0:9.0.116-1.el9_6 and below * is unaffected.
- Version 0:8.0.126-1.el9_6 and below * is unaffected.
- Version 10.0.106-1.hum1 and below * is unaffected.
- Version 8.0.126-1.hum1 and below * is unaffected.
- Version 9.0.116-1.hum1 and below * is unaffected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.