How severe is CVE-2026-20656?

CVE-2026-20656 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-20656 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-20656?

CVE-2026-20656 primarily affects Apple Safari. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-20656?

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

Does CVE-2026-20656 have an EU (EUVD) identifier?

Yes. CVE-2026-20656 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6234.

When was CVE-2026-20656 published?

CVE-2026-20656 was published on 2026-02-11 and last updated on 2026-06-17.

CVE-2026-20656

CVE-2026-20656 is a low-severity vulnerability in Apple Safari with a CVSS 3.x base score of 3.3. 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-285.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6234
Weakness: CWE-285
Affected product: Apple Safari
Published: 2026-02-11
Last modified: 2026-06-17

Description

A logic issue was addressed with improved validation. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, macOS Tahoe 26.3. An app may be able to access a user's Safari history.

Frequently asked questions

What is CVE-2026-20656?: A logic issue was addressed with improved validation. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, macOS Tahoe 26.3. An app may be able to access a user's Safari history.
How severe is CVE-2026-20656?: CVE-2026-20656 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-20656 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-20656?: CVE-2026-20656 primarily affects Apple Safari. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-20656?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-20656 have an EU (EUVD) identifier?: Yes. CVE-2026-20656 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6234.
When was CVE-2026-20656 published?: CVE-2026-20656 was published on 2026-02-11 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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