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CVE-2026-6778

Invalid pointer in the Audio/Video: Playback component

Published: Apr 21, 2026Updated: Apr 21, 2026 Sources: CVE List NVD

NVD MITRE

5.3CVSS

MEDIUM

Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150.

EPSS Score

N/A

CISA KEV

Not in KEV

Exploits

No Known Exploits

Remediation

No Fix Available

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:LAvailability

Low

Weaknesses

CWE-476 CWE-824

Affected Products

Firefox

Mozilla

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

3 techniques

Impact

Initial Access

Privilege Escalation

View detailed technique mapping

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2022746

bugzilla.mozilla.org

https://www.mozilla.org/security/advisories/mfsa2026-30/

mozilla.org

Timeline

Published

Apr 21, 2026

Last Updated

Apr 21, 2026

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