CVE-2026-2032
CVE-2026-2032 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-451.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- EPSS exploit prediction: 0% (5th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-6083
- Weakness: CWE-451
- Affected product: Mozilla Firefox
- Published:
- Last modified:
Description
Malicious scripts that interrupt new tab page loading could cause desynchronization between the address bar and page content, allowing the attacker to spoof arbitrary HTML under a trusted domain. This vulnerability was fixed in Firefox for iOS 147.2.1.
Frequently asked questions
- What is CVE-2026-2032?
- Malicious scripts that interrupt new tab page loading could cause desynchronization between the address bar and page content, allowing the attacker to spoof arbitrary HTML under a trusted domain. This vulnerability was fixed in Firefox for iOS 147.2.1.
- How severe is CVE-2026-2032?
- CVE-2026-2032 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-2032 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-2032?
- CVE-2026-2032 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-2032?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-2032 have an EU (EUVD) identifier?
- Yes. CVE-2026-2032 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6083.
- When was CVE-2026-2032 published?
- CVE-2026-2032 was published on 2026-02-16 and last updated on 2026-06-17.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2012152
- https://www.mozilla.org/security/advisories/mfsa2026-09/
Affected products (1)
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*
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