Is CVE-2026-124928 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-124928 being exploited in the wild.

How severe is CVE-2026-124928?

Informational severity, published 10 November 2026.

Is there a fix for CVE-2026-124928?

Yes: fixed in Firefox 160. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Am I affected by CVE-2026-124928?

Check whether you run Mozilla Firefox at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-124928: Firefox SVG component mitigation bypass

CVE-2026-124928 · Severity: info · Published 2026-11-10

Firefox's SVG (Scalable Vector Graphics) rendering engine contains a mitigation bypass that could allow an attacker to circumvent existing security protections. An exploit of this vulnerability could lead to arbitrary code execution or sandbox escape when a user visits a malicious webpage containing specially crafted SVG content. This vulnerability has been fixed in Firefox 160.

Technologies: Mozilla Firefox. Vendors: Mozilla.

Quick answers

Is CVE-2026-124928 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-124928 being exploited in the wild.
How severe is CVE-2026-124928?: Informational severity, published 10 November 2026.
Which products and versions are affected?: Mozilla Firefox before 160.
Is there a fix for CVE-2026-124928?: Yes: fixed in Firefox 160. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-124928?: Check whether you run Mozilla Firefox at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: Firefox 160

Technical details

A mitigation bypass vulnerability exists in the Firefox SVG component, allowing an attacker to circumvent security controls designed to prevent exploitation of other bugs. The vulnerability requires the user to visit a malicious website or open a crafted SVG file. Successful exploitation could enable arbitrary code execution or sandbox escape.

Affected products

Mozilla Firefox before 160

Timeline

2026-11-10: disclosed

References

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