CVE-2026-26127highobserved exploitationCWE-125

CVE-2026-26127: high-severity vulnerability in Microsoft.Bcl.Memory

.NET Denial of Service Vulnerability

Published · Updated

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43Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck.

ssvc Actcvss 7.5epss 2.1%
from disclosure to weapon
Published on NVDMar 10
VulnCheck+34d
Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft.Bcl.MemoryMicrosoft · .NET 10.0Microsoft · .NET 9.0
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