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Noroxi
NVD / CVE Program· CNA apple

CVE-2026-84613: An out-of-bounds write issue was addressed with improved bounds checking.

MediumCVSS 6.5 · v3.1—No exploit No fix recorded

Noroxi assessment

Priority: Monitor (action score 26/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.32% (FIRST EPSS).
  • Someone on the same network segment can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An attacker in radio range may be able to cause unexpected system termination.

Published
Oct 20, 2026
Updated
Nov 9, 2026
EPSS
0.3% · 26th percentile

Report tools

JSON

Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2026-84613

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
appleipados
appleiphone os
applemacos
appletvos
applevisionos
applewatchos

Versions reported by the vendor

Affected version ranges reported by the assigning authority (apple). Independent of NVD's CPE analysis and usually ahead of it.

  • Apple iOS and iPadOS

    • before 26.7affected
    • before 27affected

  • Apple macOS

    • before 15.8affected
    • before 26.7affected
    • before 27affected

  • Apple tvOS

    • before 27affected

  • Apple visionOS

    • before 27affected

  • Apple watchOS

    • before 27affected
Affected versions · NVD (7)

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • apple ipadosbefore 26.7
  • apple iphone osbefore 26.7
  • apple macos15.0 and later · before 15.8
  • apple macos26.0 and later · before 26.7
  • apple tvosbefore 27.0
  • apple visionosbefore 27.0
  • apple watchosbefore 27.0

Same product

apple: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-43300An out-of-bounds write issue was addressed with improved bounds checking.KEV
    89Now
  • CVE-2021-30860An integer overflow was addressed with improved input validation.KEV
    84Now
  • CVE-2023-32434An integer overflow was addressed with improved input validation.KEV
    78This week

Published before and after this one in the same product

  • ← EarlierCVE-2026-84508Oct 20, 2026 · This issue was addressed with improved validation of the caller's access.
    22Monitor
  • ← EarlierCVE-2026-84582Oct 20, 2026 · A privacy issue was addressed with improved access restrictions.
    22Monitor
  • Later →CVE-2026-86913Oct 20, 2026 · A use after free issue was addressed with improved memory management.
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-43300426 days apartAn out-of-bounds write issue was addressed with improved bounds checking.KEV
    89Now
  • CVE-2026-8695022 days apartAn out-of-bounds write issue was addressed with improved bounds checking.KEV
    73This week
  • CVE-2026-6541436 days apartAn out-of-bounds write issue was addressed with improved bounds checking.
    39Monitor
  • CVE-2026-4380385 days apartAn out-of-bounds write issue was addressed with improved bounds checking.
    39Monitor
  • CVE-2026-6476985 days apartAn out-of-bounds write issue was addressed with improved bounds checking.
    39Monitor
  • CVE-2026-6477285 days apartAn out-of-bounds write issue was addressed with improved input validation.
    39Monitor

Not on record for this CVE: patch commit or PR link · researcher credit · public bounty program.

Technical details

Attack conditions

  • Someone on the same network segment can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Adjacent
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-787 · Out-of-bounds Write

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. CVSS— → 6.5
  2. Severity— → medium
  3. SSVC exploitation— → none
  4. Exploit maturity— → none

For records you follow, these changes also arrive as notifications. →

References

Show all references (7 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records