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CVE-2026-2806 - Vulnerability Analysis

CriticalCVSS: 9.1

Last Updated: February 25, 2026

Firefox - Information Disclosure

Published: February 24, 2026Updated: February 25, 2026Remote Exploitable

Overview

Firefox < 148 contains an uninitialized memory vulnerability in the Graphics: Text component, letting attackers potentially access sensitive information, exploit requires no special privileges.

Severity & Score

Severity: Critical
CVSS Score: 9.1
EPSS Score: 4.3%(Probability of exploitation in next 30 days)

Impact

Attackers can access sensitive memory contents, potentially leading to information disclosure.

Mitigation

Update to Firefox version 148 or later.

Social Media Activity(1 post)

TheHackerWire
TheHackerWire
@thehackerwire
Feb 26, 2026

šŸ”“ CVE-2026-2806 - Critical (9.1) Uninitialized memory in the Graphics: Text component. This vulnerability affects Firefox < 148 and Thunderbird < 148. šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-2806/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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Details

CVE ID
CVE-2026-2806
Severity
Critical
CVSS Score
9.1
Type
undefined
Status
confirmed
EPSS
4.3%
Social Posts
1

CWE

  • CWE-908

CVSS Metrics

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

EPSS Score

4.3%Probability of exploitation in the next 30 days