CVE-2026-43667

MEDIUM 6.5 ALL-YEARS

Published 2026-08-17 · Last modified 2026-08-25 · apple · NVD: Modified

A reachable assertion was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5, watchOS 26.5. An attacker in a privileged network position may be able to cause a denial-of-service.

LIMITED SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.4%chance of exploitation in 30 days · 36th percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

6.5CVSS 3.1 · MEDIUM · ADP

ConfidentialityNone
IntegrityNone
AvailabilityHigh

What an attacker needs

✓Access: Reachable over the network — no local access needed
✓Privileges: No account or privileges required
⚠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

No public PoC is currently catalogued.

Search for new PoCs

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Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Affected

Vendors Apple

Products Ios And Ipados Macos Visionos Watchos Ipados Iphone Os

Weakness (CWE)

CWE-617: Reachable Assertion

CVSS vector

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

References and research data (JSON)

Known Affected Software Configurations

Vendor	Product	Version range
Apple	Ipados	< 18.7.10
Apple	Iphone Os	< 18.7.10

All CVSS metrics

MEDIUM 6.5 v3.1 · ADP Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
MEDIUM 6.5 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Advisories

https://support.apple.com/en-us/148287 Vendor AdvisoryCVE record · apple · Updated 2026-08-25T19:24:49.206Z
NVD · CVE-2026-43667 · Updated 2026-08-25T20:16:55.417
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-60487 ADVISORYEUVD · EUVD-2026-60487

Technical & other

https://support.apple.com/en-us/127110CVE record · apple · Updated 2026-08-25T19:24:49.206Z
NVD · CVE-2026-43667 · Updated 2026-08-25T20:16:55.417
https://support.apple.com/en-us/127115CVE record · apple · Updated 2026-08-25T19:24:49.206Z
NVD · CVE-2026-43667 · Updated 2026-08-25T20:16:55.417
https://support.apple.com/en-us/127119CVE record · apple · Updated 2026-08-25T19:24:49.206Z
NVD · CVE-2026-43667 · Updated 2026-08-25T20:16:55.417
https://support.apple.com/en-us/127120CVE record · apple · Updated 2026-08-25T19:24:49.206Z
NVD · CVE-2026-43667 · Updated 2026-08-25T20:16:55.417

Sources: NVD · CVE.org · All sources and attribution · EPSS