CVE-2022-26742

HIGHNVD 7.87.8—

7.8

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.4. An application may be able to execute arbitrary code with kernel privileges.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 64.1%
KEV: Not listed

Published

May 26, 2022

Last Modified

November 21, 2024

References (2)

product-security@applehttps://support.apple.com/en-us/HT213257
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213257

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:09 UTCepss_batch
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Frequently asked(5)

What is CVE-2022-26742?

CVE-2022-26742 is a high vulnerability published on May 26, 2022. A buffer overflow issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.4. An application may be able to execute arbitrary code with kernel privileges.

When was CVE-2022-26742 disclosed?

CVE-2022-26742 was first published in the National Vulnerability Database on May 26, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-26742 actively exploited?

CVE-2022-26742 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-26742?

CVE-2022-26742 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2022-26742?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-26742, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-26742

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-26742?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)