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CVE-2026-62871 Details

Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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URL	Source(s)	Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62871	[email protected]	PatchVendor Advisory

CWE-ID	CWE Name	Source
CWE-122	Heap-based Buffer Overflow	[email protected]
CWE-787	Out-of-bounds Write	[email protected]

Product	Versions
microsoft .net	>= 8.0.0, < 8.0.30 >= 9.0.0, < 9.0.19 >= 10.0.0, < 10.0.11
CPE cpe:2.3:a:microsoft:.net:::::::: Remediation No remediation found in references.
apple macos	All versions
CPE cpe:2.3:o:apple:macos:-:::::::* Remediation No remediation found in references.
linux linux kernel	All versions
CPE cpe:2.3:o:linux:linux_kernel:-:::::::* Remediation No remediation found in references.
microsoft windows	All versions
CPE cpe:2.3:o:microsoft:windows:-:::::::* Remediation No remediation found in references.
microsoft visual studio 2022	>= 17.14.0, < 17.14.38
CPE cpe:2.3:a:microsoft:visual_studio_2022:::::::: Remediation No remediation found in references.
microsoft visual studio 2026	>= 18.8.0, < 18.8.3
CPE cpe:2.3:a:microsoft:visual_studio_2026:::::::: Remediation No remediation found in references.

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