What is CVE-2026-24288?

CVE-2026-24288 is a medium-severity vulnerability in Microsoft Windows 10 21h2, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2026-03-10.

How severe is CVE-2026-24288?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Buffer overflow in Microsoft Windows 10 21h2

CVE-2026-24288

Heap-based buffer overflow in Windows Mobile Broadband allows an unauthorized attacker to execute code with a physical attack.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (35.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Windows_10_21h2
Microsoft Windows_10_22h2
Microsoft Windows 10 Version 21h2 — versions 10.0.19044.0
Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-24288?: CVE-2026-24288 is a medium-severity vulnerability in Microsoft Windows 10 21h2, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2026-03-10.
How severe is CVE-2026-24288?: Medium severity. CVSS v3 base score is 6.8 out of 10.