What is CVE-2021-30675?

CVE-2021-30675 is a high-severity vulnerability in Apple Boot Camp, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-09-08.

How severe is CVE-2021-30675?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Apple Boot Camp

CVE-2021-30675

A memory corruption issue was addressed with improved state management. This issue is fixed in Boot Camp 6.1.14. A malicious application may be able to elevate privileges.

Vulnerability class: Buffer Overflow

Published 2021-09-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Apple Boot Camp — versions unspecified
Apple Boot Camp

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

support.apple.com/en-us/HT212517 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-30675?: CVE-2021-30675 is a high-severity vulnerability in Apple Boot Camp, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-09-08.
How severe is CVE-2021-30675?: High severity. CVSS v3 base score is 7.8 out of 10.