CVE-2026-0882

HIGH
2026-01-13 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Patch Released
Apr 09, 2026 - 14:30 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 14:16 nvd
HIGH 8.8

Tags

Use After Free Thunderbird Firefox Redhat Suse

Description

Use-after-free in the IPC component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, Firefox ESR < 140.7, Thunderbird < 147, and Thunderbird < 140.7.

Analysis

A use-after-free vulnerability in the IPC component of Firefox (versions below 147 and ESR versions below 115.32/140.7) and Thunderbird (versions below 147 and 140.7) enables remote code execution when users interact with malicious content. The flaw requires user interaction and network access, allowing attackers to achieve full system compromise with high integrity and confidentiality impact. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: 0

Vendor Status

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CVE-2026-0882 vulnerability details – vuln.today
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