CVE-2026-84621 json
An authorization issue was addressed with improved access control.
published last mo. modified 16d ago also EUVD-2026-77910
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 3%
- public exploits
- 0
- none known
Summary
An authorization issue was addressed with improved access control. 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. An app may be able to access sensitive user data.
Patch / fix
- Apple iOS and iPadOS 26.7, 27
- Apple macOS 15.8, 26.7, 27
Is CVE-2026-84621 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Apple iOS and iPadOS
- Apple macOS
Classification
- Weakness
-
- CWE-285 Improper Authorization
References
-
support.apple.com
/en-us/149034
vendor-advisory, release-notes
-
support.apple.com
/en-us/149035
vendor-advisory, release-notes
-
support.apple.com
/en-us/149041
vendor-advisory, release-notes
-
support.apple.com
/en-us/149042
vendor-advisory, release-notes
-
support.apple.com
/en-us/149043
vendor-advisory, release-notes
Sources
- CVE List CVE-2026-84621
- NVD CVE-2026-84621
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.