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CVE-2026-84620

HIGH 7.3 ALL-YEARS

Published 2026-09-14 · Last modified 2026-09-17 · apple · NVD: Analyzed

An integer overflow was addressed with improved input validation. 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. Processing a maliciously crafted 3D model may lead to memory corruption.

ELEVATED IMPACT

Severe if exploited (CVSS 7.3), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 5th percentile

○ In CISA KEV○ Public exploit / PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

7.3CVSS 3.1 · HIGH · ADP

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ⚠Access: Requires local access to the host
  • ⚠Privileges: Requires a low-privilege account
  • ⚠User interaction: A user must take an action (click / open a file)
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.

Affected

Vendors Apple

Products Ios And Ipados Macos Tvos Visionos Watchos Ipados Iphone Os

Weakness (CWE)

  • CWE-190: Integer Overflow or Wraparound

CVSS vector

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

Known Affected Software Configurations

VendorProductVersion range
AppleIpados< 26.7
AppleIphone Os< 26.7
AppleMacos≥ 15.0 and < 15.8
AppleMacos≥ 26.0 and < 26.7
AppleTvos< 27.0
AppleVisionos< 27.0
AppleWatchos< 27.0

All CVSS metrics

  • HIGH 7.3 v3.1 · ADP Primary
    CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
  • HIGH 7.3 v3.1 · NVD Secondary
    CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References

Advisories

Sources: NVD · CVE.org · EPSS