How severe is CVE-2022-26758?

CVE-2022-26758 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2022-26758 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26758?

CVE-2022-26758 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26758?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2022-26758 have an EU (EUVD) identifier?

Yes. CVE-2022-26758 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-56001.

When was CVE-2022-26758 published?

CVE-2022-26758 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2022-26758

CVE-2022-26758 is a high-severity vulnerability in Apple Macos with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-56001
Weakness: CWE-362
Affected product: Apple Macos
Published: 2026-06-10
Last modified: 2026-06-17

Description

A malicious application may cause unexpected changes in memory shared between processes. A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.4.

Frequently asked questions

What is CVE-2022-26758?: A malicious application may cause unexpected changes in memory shared between processes. A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.4.
How severe is CVE-2022-26758?: CVE-2022-26758 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2022-26758 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26758?: CVE-2022-26758 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26758?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2022-26758 have an EU (EUVD) identifier?: Yes. CVE-2022-26758 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-56001.
When was CVE-2022-26758 published?: CVE-2022-26758 was published on 2026-06-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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