What is CVE-2020-9927?

CVE-2020-9927 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-10-22.

How severe is CVE-2020-9927?

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

Buffer overflow in Apple macOS

CVE-2020-9927

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.6. An application may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (29.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Apple Macos — versions unspecified
Apple Mac_os_x

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-9927?: CVE-2020-9927 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-10-22.
How severe is CVE-2020-9927?: High severity. CVSS v3 base score is 7.8 out of 10.