Vulnerability · NVD

CVE-2026-124913

CVE-2026-124913, rated high by the vendor: 2 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): -
Exploitation: -
Tracked apps: 2
Still exposed: 0

Vendor bulletin scale : NVD CVSS pending Published on 2026-11-10

Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Mozilla Firefox Windows winget:Mozilla.Firefox

Affected <160 Fixed in 160 Latest tracked 160.0 patched

Observed affected builds (184)

159.0.1 159.0 158.0.1 158.0 157.0.1 157.0 156.0.1 156.0 155.0.1 155.0 154.0.1 154.0 153.0.4 153.0.3 153.0.1 153.0 152.0.6 152.0.5 152.0.4 152.0.3 152.0.2 152.0.1 152.0 151.0.4 151.0.3 151.0.2 151.0.1 151.0 150.0.3 150.0.2 +154 · see history
Mozilla Thunderbird Windows winget:Mozilla.Thunderbird

Affected <160 Fixed in 160 Latest tracked 160.0 patched

Observed affected builds (138)

159.0 158.0.1 158.0 157.0.1 157.0 156.0.1 156.0 155.0.1 155.0 154.0 153.0.3 153.0.2 153.0.1 153.0 152.0.1 152.0 151.0.1 151.0 150.0.2 150.0.1 150.0 149.0.2 149.0.1 149.0 148.0.1 148.0 147.0.2 147.0.1 147.0 146.0.1 +108 · see history

Vulnerable CPE configurations (2)

Vendor	Product	Platform	Versions	CPE 2.3 URI
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<160	cpe:2.3:a:mozilla:firefox::::::::
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	<160	cpe:2.3:a:mozilla:thunderbird::::::::

View on NVD ↗

Manage your fleet with Appaloosa

Appaloosa pushes OS updates, apps and policies to your Windows, macOS, iOS and Android devices from one console.

Discover Appaloosa MDM