CVE-2026-96231

high

EUVD alias: EUVD-2026-100201

Assigned by CNA: microsoft

Published 2026-10-13 · Modified 2026-10-13

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CVSS v3

7.8

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.8

Description

Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.

Predictions

Exploit likelihood

75%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
NuGet	Microsoft.NETCore.App.Runtime.linux-arm	`>= 9.0.0, <= 9.0.20`	`9.0.21`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm64	`>= 10.0.0, <= 10.0.12`	`10.0.13`
NuGet	Microsoft.NETCore.App.Runtime.osx-arm64	`>= 11.0.0-preview.1, <= 11.0.0-rc.1`	`11.0.0-rc.2`
NuGet	Microsoft.NETCore.App.Runtime.linux-x64	`>= 9.0.0, <= 9.0.20`	`9.0.21`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-x64	`>= 9.0.0, <= 9.0.20`	`9.0.21`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm	`>= 9.0.0, <= 9.0.20`	`9.0.21`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm64	`>= 8.0.0, <= 8.0.31`	`8.0.32`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm	`>= 11.0.0-preview.1, <= 11.0.0-rc.1`	`11.0.0-rc.2`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm64	`>= 9.0.0, <= 9.0.20`	`9.0.21`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm	`>= 10.0.0, <= 10.0.12`	`10.0.13`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm	`>= 10.0.0, <= 10.0.12`	`10.0.13`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm	`>= 8.0.0, <= 8.0.31`	`8.0.32`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm64	`>= 11.0.0-preview.1, <= 11.0.0-rc.1`	`11.0.0-rc.2`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm	`>= 11.0.0-preview.1, <= 11.0.0-rc.1`	`11.0.0-rc.2`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm64	`>= 11.0.0-preview.1, <= 11.0.0-rc.1`	`11.0.0-rc.2`
NuGet	Microsoft.NETCore.App.Runtime.osx-x64	`>= 9.0.0, <= 9.0.20`	`9.0.21`
NuGet	Microsoft.NETCore.App.Runtime.osx-arm64	`>= 10.0.0, <= 10.0.12`	`10.0.13`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-x64	`>= 8.0.0, <= 8.0.31`	`8.0.32`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm64	`>= 8.0.0, <= 8.0.31`	`8.0.32`
NuGet	Microsoft.NETCore.App.Runtime.osx-x64	`>= 11.0.0-preview.1, <= 11.0.0-rc.1`	`11.0.0-rc.2`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-x64	`>= 11.0.0-preview.1, <= 11.0.0-rc.1`	`11.0.0-rc.2`
NuGet	Microsoft.NETCore.App.Runtime.osx-arm64	`>= 9.0.0, <= 9.0.20`	`9.0.21`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-x64	`>= 10.0.0, <= 10.0.12`	`10.0.13`
NuGet	Microsoft.NETCore.App.Runtime.osx-x64	`>= 8.0.0, <= 8.0.31`	`8.0.32`
NuGet	Microsoft.NETCore.App.Runtime.linux-x64	`>= 11.0.0-preview.1, <= 11.0.0-rc.1`	`11.0.0-rc.2`
NuGet	Microsoft.NETCore.App.Runtime.linux-musl-arm64	`>= 9.0.0, <= 9.0.20`	`9.0.21`
NuGet	Microsoft.NETCore.App.Runtime.osx-x64	`>= 10.0.0, <= 10.0.12`	`10.0.13`
NuGet	Microsoft.NETCore.App.Runtime.linux-x64	`>= 10.0.0, <= 10.0.12`	`10.0.13`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm64	`>= 10.0.0, <= 10.0.12`	`10.0.13`
NuGet	Microsoft.NETCore.App.Runtime.osx-arm64	`>= 8.0.0, <= 8.0.31`	`8.0.32`
NuGet	Microsoft.NETCore.App.Runtime.linux-x64	`>= 8.0.0, <= 8.0.31`	`8.0.32`
NuGet	Microsoft.NETCore.App.Runtime.linux-arm	`>= 8.0.0, <= 8.0.31`	`8.0.32`

References

CWEs

CWE-59

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.