How severe is CVE-2026-28946?

CVE-2026-28946 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-28946 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28946?

CVE-2026-28946 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28946?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-28946 have an EU (EUVD) identifier?

Yes. CVE-2026-28946 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29254.

When was CVE-2026-28946 published?

CVE-2026-28946 was published on 2026-05-11 and last updated on 2026-06-30.

CVE-2026-28946

CVE-2026-28946 is a medium-severity vulnerability in Apple Macos with a CVSS 3.x base score of 6.5. 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-416.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29254
Weakness: CWE-416
Affected product: Apple Macos
Published: 2026-05-11
Last modified: 2026-06-30

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Frequently asked questions

What is CVE-2026-28946?: A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
How severe is CVE-2026-28946?: CVE-2026-28946 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-28946 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28946?: CVE-2026-28946 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28946?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28946 have an EU (EUVD) identifier?: Yes. CVE-2026-28946 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29254.
When was CVE-2026-28946 published?: CVE-2026-28946 was published on 2026-05-11 and last updated on 2026-06-30.

References

Affected products (1)

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

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