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CVE-2026-84596

MEDIUM
6.5
CVSS Score
Published: September 14, 2026 at 08:51 PM UTC
Updated: October 26, 2026 at 08:43 PM UTC
6 products affected across 1 vendormacOSiPhone OSiPadOS

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted font may result in the disclosure of process memory.

Affected

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

iPadOS· Apple
95%
v < 27.0
Affected range stops below 27, so it looks safe — our inference, not a vendor statement
Affected range stops below 27.0, so it looks safe — our inference, not a vendor statement
iPhone OS· Apple
95%
v < 27.0
Affected range stops below 27.0, so it looks safe — our inference, not a vendor statement
macOS· Apple
95%
v < 27.0
Affected range stops below 27, so it looks safe — our inference, not a vendor statement
Affected range stops below 27.0, so it looks safe — our inference, not a vendor statement
tvOS· Apple
95%
v < 27.0
Affected range stops below 27, so it looks safe — our inference, not a vendor statement
Affected range stops below 27.0, so it looks safe — our inference, not a vendor statement
visionOS· Apple
95%
v < 27.0
Affected range stops below 27, so it looks safe — our inference, not a vendor statement
Affected range stops below 27.0, so it looks safe — our inference, not a vendor statement
watchOS· Apple
95%
v < 27.0
Affected range stops below 27, so it looks safe — our inference, not a vendor statement
Affected range stops below 27.0, 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

References (5)

Vendor Advisory
Source: cverecord
https://support.apple.com/en-us/149034
Vendor Advisory
Source: cverecord
https://support.apple.com/en-us/149035
Vendor Advisory
Source: cverecord
https://support.apple.com/en-us/149036
Vendor Advisory
Source: cverecord
https://support.apple.com/en-us/149037
Vendor Advisory
Source: cverecord
https://support.apple.com/en-us/149038

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125

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