9.3

CVE-2022-26756: apple mac_os_x Out-of-bounds Write

CVSS: 9.3v2.0HighModified
Published 26-05-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-26756 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in apple mac_os_x. EPSS estimates a 1.06% chance of exploitation in the next 30 days, higher than 64.1% 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
1.06%
0%100%
Low · +0.06 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. 03-08-2024
    Last modifiedVulnerability information updated.

Description

An out-of-bounds write 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. An application may be able to execute arbitrary code with kernel privileges.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.06%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

+0.06 pp

From 1.00% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.06%

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< 10.15.7 | 10.15.7 | 10.15.7:security_update_2020-001 | 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_2021-004 | 10.15.7:security_update_2021-005 | 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
  • macos≥ unspecified, < 11.6 | ≥ unspecified, < 12.4 | ≥ 11.0, < 11.6.6 | ≥ 12.0, < 12.4
  • security update - catalina≥ unspecified, < 2022

1 vendor · 3 products

References

3 links