Vulnerability · Published Aug 11, 2026 · Assigned by microsoft
CVE-2026-65810.NET Framework Elevation of Privilege Vulnerability
High 7.8
In plain English
A high-severity security flaw in Microsoft .NET Framework 3.5 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.4%top 65.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Relative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0 – before 2.0.50727.9183 & 3.0.30729.9169 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 | 3.0.0.0 – before 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0 – before 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0 – before 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1 – before 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0 – before 4.7.4144.0 |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 – before 4.8.4805.0 |
| Microsoft | Microsoft .NET Framework 4.8.1 | 4.8.0.0 – before 4.8.9344.0 |
Weakness: CWE-23 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- .NET Framework Elevation of Privilege Vulnerability vendor-advisory, patch