CVE-2026-97801: .NET Framework Tampering Vulnerability
Microsoft · Microsoft .NET Framework 3.5
Vendor fix available · Affected: Microsoft .NET Framework 3.5 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 54% of scored CVEs
DescriptionCVE.org
Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to perform tampering over a network.
Affected products8
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Microsoft · Microsoft .NET Framework 3.5from 3.5.0 before 2.0.50727.9188 AND 3.0.30729.9171
- Microsoft · Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2from 3.0.0.0 before 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0
- Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2from 4.7.0 before 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
- Microsoft · Microsoft .NET Framework 3.5 AND 4.8from 4.8.0 before 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0
- Microsoft · Microsoft .NET Framework 3.5 AND 4.8.1from 4.8.1 before 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
- Microsoft · Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2from 4.7.0 before 4.7.4150.0
- Microsoft · Microsoft .NET Framework 4.8from 4.8.0 before 4.8.4811.0
- Microsoft · Microsoft .NET Framework 4.8.1from 4.8.0.0 before 4.8.9363.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Microsoft
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-97801 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.