Mitigation bypass in the DOM: Security component_CVE-2026-12302

6.5 / 10

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Description

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.

Basic Information

ID CVE-2026-12302

Source mozilla

Published Jun 16, 2026 at 11:52

Modified Jun 16, 2026 at 17:30

Affected Product

Vendor Mozilla

Product Firefox

Version 115.37

CWE Classification

CWE-693

References

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    "lastseen": "",
    "description": "Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.",
    "published": "2026-06-16T11:52:35.893Z",
    "modified": "2026-06-16T17:30:18.574Z",
    "type": "cve",
    "title": "Mitigation bypass in the DOM: Security component",
    "source": "mozilla",
    "references": "https://bugzilla.mozilla.org/show_bug.cgi?id=2034489\nhttps://www.mozilla.org/security/advisories/mfsa2026-57/\nhttps://www.mozilla.org/security/advisories/mfsa2026-58/\nhttps://www.mozilla.org/security/advisories/mfsa2026-59/\nhttps://www.mozilla.org/security/advisories/mfsa2026-60/\nhttps://www.mozilla.org/security/advisories/mfsa2026-61/",
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    "cvss": {
        "score": 6.5,
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        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
        "version": "3.1"
    },
    "cvss2": [],
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        "cvssV3": {
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    "href": "",
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    "product": "Firefox",
    "version": "115.37",
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