What is CVE-2026-32216?

CVE-2026-32216 is a medium-severity vulnerability in Microsoft Windows 11 Version 26h1, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2026-04-14.

How severe is CVE-2026-32216?

Medium severity. CVSS v3 base score is 5.5 out of 10.

NULL pointer dereference in Microsoft Windows 11 Version 26h1

CVE-2026-32216

Null pointer dereference in Windows Redirected Drive Buffering allows an authorized attacker to deny service locally.

EPSS: 0.000 (15.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C.

Affected products

Microsoft Windows 11 Version 26h1 — versions 10.0.28000.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

Windows Redirected Drive Buffering System Denial of Service Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-32216?: CVE-2026-32216 is a medium-severity vulnerability in Microsoft Windows 11 Version 26h1, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2026-04-14.
How severe is CVE-2026-32216?: Medium severity. CVSS v3 base score is 5.5 out of 10.