What is the CVSS score of CVE-2026-2802?

CVE-2026-2802 has a CVSS 3.1 base score of 4.2 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Mozilla are affected by CVE-2026-2802?

CVE-2026-2802 presents moderate security risk, a race condition vulnerability rated CVSS 4.2. Exploitation could compromise the security of affected deployments.. A patch is available.

Mozilla CVE-2026-2802

Q: How to fix or mitigate CVE-2026-2802?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

MEDIUM

Race Condition (CWE-362)

2026-02-24 security@mozilla.org

Information Disclosure Race Condition Mozilla

4.2

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Patch released

Apr 10, 2026 - 14:30 nvd

Patch available

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

CVE Published

Feb 24, 2026 - 14:16 nvd

MEDIUM 4.2

DescriptionNVD

Race condition in the JavaScript: GC component. This vulnerability affects Firefox < 148 and Thunderbird < 148.

AnalysisAI

Firefox and Thunderbird versions below 148 contain a race condition in the JavaScript garbage collection component that could allow an attacker to access or modify limited data through specially crafted content requiring user interaction. The vulnerability has a CVSS score of 4.2 and currently lacks an available patch.

RemediationAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-2802 vulnerability details – vuln.today

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