CVE-2026-0888

MEDIUM EPSS 23.0%
Published Jan 13, 20265mo ago · Modified Jun 17, 20261w ago
5.3 CVSS 3.1
Medium
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Published Jan 13, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago

Description

Information disclosure in the XML component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
23.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 2

VendorProductVersionRange
mozillafirefox* <147.0
mozillathunderbird* <147.0

References 3

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1985996
    Permissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-01/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2026-04/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.