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CVE-2026-84509

🗓️ 14 Sep 2026 21:17:27Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 12 Views

Out-of-bounds read in macOS SMB client when connecting to malicious server causes termination.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-84509
15 Sep 202604:49
–circl
cve
CVE
CVE-2026-84509
14 Sep 202620:49
–cve
cvelist
Cvelist
CVE-2026-84509
14 Sep 202620:49
–cvelist
euvd
EUVD
EUVD-2026-77884
14 Sep 202620:49
–euvd
nessus
Tenable Nessus
macOS 26.x < 26.7 Multiple Vulnerabilities (149042)
14 Sep 202600:00
–nessus
nessus
Tenable Nessus
macOS 15.x < 15.8 Multiple Vulnerabilities (149043)
14 Sep 202600:00
–nessus
ncsc
NCSC
Vulnerabilities exist in Apple macOS and Samba systems, developed by Apple and Samba.
15 Sep 202615:41
–ncsc
ptsecurity
Positive Technologies
PT-2026-91573
14 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-84509: Out-of-bounds Read
14 Sep 202600:00
–rapid7
vulnrichment
Vulnrichment
CVE-2026-84509
14 Sep 202620:49
–vulnrichment
NVD
Node
OR
applemacosRange15.0–15.8
applemacosRange26.0–26.7

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17 Sep 2026 16:56Current
CVSS 3.16.5
EPSS0.00404
SSVC
12