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CVE-2026-109740

🗓️ 13 Oct 2026 12:29:26Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 3 Views

Sandbox escape in the Widget: Win32 component of Firefox due to incorrect boundary conditions.

Related
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-109740
13 Oct 202613:16
–circl
cve
CVE
CVE-2026-109740
13 Oct 202612:29
–cve
cvelist
Cvelist
CVE-2026-109740 Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component
13 Oct 202612:29
–cvelist
euvd
EUVD
EUVD-2026-98502
13 Oct 202612:29
–euvd
nessus
Tenable Nessus
Mozilla Firefox ESR < 153.5
13 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Firefox < 158.0
13 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 153.5
13 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 158.0
13 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Firefox ESR < 153.5
13 Oct 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Firefox < 158.0
13 Oct 202600:00
–nessus
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13 Oct 2026 12:29Current
6Medium risk
Vulners AI Score6
EPSS0.00159
3