What is CVE-2026-32080?

CVE-2026-32080 is a high-severity vulnerability in Microsoft Windows Server 2016, classified under Use After Free. CVSS score: 7.0/10. Published 2026-04-14.

How severe is CVE-2026-32080?

High severity. CVSS v3 base score is 7.0 out of 10.

Use After Free in Microsoft Windows Server 2016

CVE-2026-32080

Use after free in Windows WalletService allows an authorized attacker to elevate privileges locally.

Vulnerability class: Use-After-Free

EPSS: 0.001 (16.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.

Affected products

Microsoft Windows Server 2016 — versions 10.0.14393.0
Microsoft Windows Server 2016 (Server Core Installation) — versions 10.0.14393.0
Microsoft Windows Server 2019 — versions 10.0.17763.0
Microsoft Windows Server 2019 (Server Core Installation) — versions 10.0.17763.0
Microsoft Windows Server 2022 — versions 10.0.20348.0
Microsoft Windows Server 2022, 23h2 Edition (Server Core Installation) — versions 10.0.25398.0
Microsoft Windows Server 2025 — versions 10.0.26100.0
Microsoft Windows Server 2025 (Server Core Installation) — versions 10.0.26100.0

Weakness classification (CWE)

CWE-416 — Use After Free

References

Windows WalletService Elevation of Privilege Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-32080?: CVE-2026-32080 is a high-severity vulnerability in Microsoft Windows Server 2016, classified under Use After Free. CVSS score: 7.0/10. Published 2026-04-14.
How severe is CVE-2026-32080?: High severity. CVSS v3 base score is 7.0 out of 10.