01 Record
CVE-2026-43728
This issue was addressed through improved state management. This issue is fixed in macOS Tahoe 26.6. An attacker may be able to modify the state of the Keychain.
HighPUBLISHEDCNA: apple
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
02 Description
This issue was addressed through improved state management. This issue is fixed in macOS Tahoe 26.6. An attacker may be able to modify the state of the Keychain.
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.26% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 17.9% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-24.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-07-27 20:13Z3 MO AGO
- Last updated
- 2026-07-28 19:06Z3 MO AGO
- Reserved
- 2026-05-01
- Assigning CNA
- apple
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
- Data version
- 5.2
- Document digest
- fbb8bb90457dfbef09fbb54bb0637fe49e82018f1f3602dd5afb2d6a7eeba281
05 Affected products
VendorProductVersionsPlatforms
06 References
- support.apple.comhttps://support.apple.com/en-us/128067