CVE-2026-84543
43Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 7.5epss 0.4%
from disclosure to weapon10 days
Published on NVDSep 14
1st PoC+10d
exploitation probability
0.4%top 66% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may cause unexpected system termination or corrupt kernel memory.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
Apple · macOSpublic PoCs found — 1
githubgithub.com/petermalone/CVE-2026-84543★ 22⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.