CVE-2026-97801
.NET Framework Tampering Vulnerability
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to perform tampering over a network.
| Vendor | microsoft |
| Product | microsoft .net framework 3.5 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Oct 13, 2026 |
| Last Updated | Oct 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Microsoft .NET Framework 3.5
3.5.0 < 2.0.50727.9188 AND 3.0.30729.9171
Microsoft / Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2
3.0.0.0 < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0
Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2
4.7.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
Microsoft / Microsoft .NET Framework 3.5 AND 4.8
4.8.0 < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0
Microsoft / Microsoft .NET Framework 3.5 AND 4.8.1
4.8.1 < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
Microsoft / Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
4.7.0 < 4.7.4150.0
Microsoft / Microsoft .NET Framework 4.8
4.8.0 < 4.8.4811.0
Microsoft / Microsoft .NET Framework 4.8.1
4.8.0.0 < 4.8.9363.0