What is the CVSS score of CVE-2025-8042?

CVE-2025-8042 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Google are affected by CVE-2025-8042?

CVE-2025-8042 presents critical security risk, a incorrect permissions vulnerability rated CVSS 9.8. Attackers could escalate their privileges to gain elevated access beyond their authorized level.. A patch is available.

How to fix or mitigate CVE-2025-8042?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

Google CVE-2025-8042

CRITICAL

Incorrect Permission Assignment for Critical Resource (CWE-732)

2025-08-19 security@mozilla.org

Google Information Disclosure Mozilla

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Patch released

Apr 09, 2026 - 08:30 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 19:07 vuln.today

CVE Published

Aug 19, 2025 - 21:15 nvd

CRITICAL 9.8

DescriptionCVE.org

Firefox for Android allowed a sandboxed iframe without the allow-downloads attribute to start downloads. This vulnerability affects Firefox < 141.

AnalysisAI

Firefox for Android allowed a sandboxed iframe without the allow-downloads attribute to start downloads. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Permission Assignment (CWE-732), which allows attackers to access resources due to misconfigured permissions. Firefox for Android allowed a sandboxed iframe without the allow-downloads attribute to start downloads. This vulnerability affects Firefox < 141. Affected products include: Mozilla Firefox.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and restrict file/resource permissions, apply principle of least privilege.