Vulnerability · Published Aug 24, 2021 · Assigned by apple

CVE-2021-30923

High 7.0

In plain English

A high-severity security flaw in macOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS NVD)7.0High

Exploit odds (30 days)0.7%top 46.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A race condition was addressed with improved locking. This issue is fixed in macOS Monterey 12.0.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected products (as reported)

Vendor	Product	Versions
Apple	macOS	unspecified – before 12.0

References

https://support.apple.com/kb/HT212867 x_refsource_CONFIRM
https://support.apple.com/en-us/HT212869 x_refsource_MISC