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CVE-2026-20639: Integer Overflow or Wraparound

🗓️ 25 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 3 Views

Integer overflow in macOS Sequoia 15.7.5, Sonoma 14.8.5, and Tahoe 26.3 allows heap corruption.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-20639
25 Mar 202600:32
–attackerkb
apple
Apple
About the security content of macOS Tahoe 26.3
11 Feb 202600:00
–apple
apple
Apple
About the security content of macOS Sonoma 14.8.5
24 Mar 202600:00
–apple
apple
Apple
About the security content of macOS Sequoia 15.7.5
24 Mar 202600:00
–apple
bdu_fstec
BDU FSTEC
configd daemon in operating
6 Apr 202600:00
–bdu_fstec
circl
Circl
CVE-2026-20639
25 Mar 202603:00
–circl
cnnvd
CNNVD
Apple macOS security vulnerabilities
25 Mar 202600:00
–cnnvd
cnvd
CNVD
Apple macOS Integer Overflow Vulnerability
31 Mar 202600:00
–cnvd
cve
CVE
CVE-2026-20639
25 Mar 202600:32
–cve
cvelist
Cvelist
CVE-2026-20639
25 Mar 202600:32
–cvelist
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25 Mar 2026 00:00Current
7.4High risk
Vulners AI Score7.4
CVSS 3.17.5
EPSS0.00622
SSVC
3