9.3

CVE-2022-26770: apple mac_os_x Out-of-bounds Read

CVSS: 9.3v2.0HighModified
Published 26-05-2022Last modified 30-05-2025
Open JSON

Vulnerability summary

CVE-2022-26770 is a high (CVSS 9.3) Out-of-bounds Read vulnerability in apple mac_os_x. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
1.11%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-05-2022
    PublishedVulnerability first disclosed.
  2. 30-05-2025
    Last modifiedVulnerability information updated.

Description

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in Security Update 2022-004 Catalina, macOS Monterey 12.4, macOS Big Sur 11.6.6. A malicious application may be able to execute arbitrary code with kernel privileges.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

+0.07 pp

From 1.04% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apple3 products
  • mac_os_x> 10.15, < 10.15.7 | 10.15.7 | 10.15.7:security_update_2020 | 10.15.7:security_update_2020-001 | 10.15.7:security_update_2020-005 | 10.15.7:security_update_2020-007 | 10.15.7:security_update_2021-001 | 10.15.7:security_update_2021-002 | 10.15.7:security_update_2021-003 | 10.15.7:security_update_2021-006 | 10.15.7:security_update_2021-007 | 10.15.7:security_update_2021-008 | 10.15.7:security_update_2022-001 | 10.15.7:security_update_2022-002 | 10.15.7:security_update_2022-003 | 10.15.7:supplemental_update
  • macos≥ unspecified, < 11.6 | ≥ unspecified, < 12.4 | ≥ 11.0, < 11.6.6 | ≥ 12.0.0, < 12.4
  • security update - catalina≥ unspecified, < 2022

1 vendor · 3 products

References

3 links