Aug 2026: .NET Core Remote Code Execution Vulnerability
CVE-2026-70354 Published on August 11, 2026
.NET Core Remote Code Execution Vulnerability
Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-70354 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-70354
Want to know whenever a new CVE is published for Microsoft products? stack.watch will email you.
Affected Versions
Microsoft .NET 10.0:- Version 10.0.0 and below 10.0.11 is affected.
- Version 8.0.0 and below 8.0.30 is affected.
- Version 9.0.0 and below 9.0.19 is affected.
- Version 3.5.0 and below 2.0.50727.8984 & 3.0.30729.8980 is affected.
- Version 3.0.0.0 and below 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0 is affected.
- Version 4.7.0 and below 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0 is affected.
- Version 4.8.0 and below 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0 is affected.
- Version 4.8.1 and below 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 is affected.
- Version 4.7.0 and below 4.7.4144.0 is affected.
- Version 4.8.0 and below 4.8.4805.0 is affected.
- Version 4.8.0.0 and below 4.8.9344.0 is affected.
- Version 17.14.0 and below 17.14.38 is affected.
- Version 18.0 and below 18.8.3 is affected.