CVE-2022-26766

MEDIUM

5.5

CVSS Score

Published: May 26, 2022 at 07:22 PM UTC

Updated: June 17, 2026 at 04:35 AM UTC

5 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity

MEDIUM5.5

Exploit prediction

EPSS 3%

SSVC

No known exploit

Description

A certificate parsing issue was addressed with improved checks. This issue is fixed in tvOS 15.5, iOS 15.5 and iPadOS 15.5, Security Update 2022-004 Catalina, watchOS 8.6, macOS Big Sur 11.6.6, macOS Monterey 12.4. A malicious app may be able to bypass signature validation.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

iPadOS · Apple

95%

v < 15.5

Affected range stops below 15.5, so it looks safe — our inference, not a vendor statement

iPhone OS · Apple

95%

v < 15.5

Affected range stops below 15.5, so it looks safe — our inference, not a vendor statement

macOS · Apple

95%

v < 10.15.711.0 ≤ v < 11.6.612.0 ≤ v < 12.410.15.7 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

Affected range stops below 10.15.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 11.6.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.4, so it looks safe — our inference, not a vendor statement

tvOS · Apple

95%

v < 15.5

Affected range stops below 15.5, so it looks safe — our inference, not a vendor statement

watchOS · Apple

95%

v < 11.6v < 12.4v < 15.5v < 2022v < 8.6

Affected range stops below 11.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 2022, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references