CVE-2026-62898

EUVD-2026-56773
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 62.11%
Affected Products (NVD)
VendorProductVersion
microsoftvisual_studio_2022
17.14.0 ≤
𝑥
< 17.14.38
microsoftvisual_studio_2026
18.8.0 ≤
𝑥
< 18.8.3
microsoft.net
8.0.0 ≤
𝑥
< 8.0.30
microsoft.net
9.0.0 ≤
𝑥
< 9.0.19
microsoft.net
10.0.0 ≤
𝑥
< 10.0.11
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
dotnet6
bionic
dne
focal
dne
jammy
not-affected
noble
dne
resolute
dne
trusty
dne
xenial
dne
dotnet7
bionic
dne
focal
dne
jammy
ignored
noble
dne
resolute
dne
trusty
dne
xenial
dne
dotnet8
bionic
dne
focal
dne
jammy
not-affected
noble
not-affected
resolute
dne
trusty
dne
xenial
dne
dotnet9
bionic
dne
focal
dne
jammy
dne
noble
dne
resolute
dne
trusty
dne
xenial
dne
dotnet10
bionic
dne
focal
dne
jammy
dne
noble
not-affected
resolute
not-affected
trusty
dne
xenial
dne