CVE-2026-26127

Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26127	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

Configuration 2 (hide)

AND

cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

Configuration 3 (hide)

OR	cpe:2.3:a:microsoft:bcl.memory::::::::
	cpe:2.3:a:microsoft:bcl.memory::::::::

History

01 Apr 2026, 20:22

Type	Values Removed	Values Added
Summary		(es) Lectura fuera de límites en .NET permite a un atacante no autorizado denegar servicio a través de una red.
First Time		Microsoft Microsoft .net Linux linux Kernel Microsoft bcl.memory Linux Microsoft windows Apple macos Apple
CPE		cpe:2.3:o:microsoft:windows:-:::::::* cpe:2.3:o:linux:linux_kernel:-:::::::* cpe:2.3:a:microsoft:bcl.memory:::::::: cpe:2.3:a:microsoft:.net:::::::: cpe:2.3:o:apple:macos:-:::::::*
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26127 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26127 - Vendor Advisory

10 Mar 2026, 18:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-10 18:18

Updated : 2026-04-01 20:22

NVD link : CVE-2026-26127

Mitre link : CVE-2026-26127

CVE.ORG link : CVE-2026-26127

JSON object : View

Products Affected

microsoft

windows
bcl.memory
.net

linux

linux_kernel

apple

macos

CWE

CWE-125

Out-of-bounds Read

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