NetSight
high7.5

CVE-2026-62898

Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.

Impact

Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.

Affected packages

EcosystemPackageAffectedFixed in
nugetMicrosoft.NETCore.App.Runtime.win-arm64>= 10.0.0, <= 10.0.1010.0.11
nugetMicrosoft.NETCore.App.Runtime.win-x64>= 10.0.0, <= 10.0.1010.0.11
nugetMicrosoft.NETCore.App.Runtime.win-x86>= 10.0.0, <= 10.0.1010.0.11

Affected products

VendorProductAffected versions
MicrosoftVisual Studio 2022
from 17.14.0 before 17.14.38
MicrosoftVisual Studio 2026
from 18.8.0 before 18.8.3
Microsoft.Net
from 8.0.0 before 8.0.30
from 9.0.0 before 9.0.19
from 10.0.0 before 10.0.11

Weakness classification

References