Out-of-bounds read in Microsoft products - CVE-2026-26127
Published: March 10, 2026
Vulnerability identifier: #VU123779
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-26127
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
.NET for Linux
.NET for macOS
.NET
Microsoft.Bcl.Memory
.NET for Linux
.NET for macOS
.NET
Microsoft.Bcl.Memory
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition in .NET. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.
How to mitigate CVE-2026-26127
Install updates from vendor's website.