CVE-2026-5733

Incorrect boundary conditions in the Graphics: WebGPU component

HIGH
8.8
CVSS Score
Published: April 7, 2026 at 12:43 PM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorFirefox

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Severity
HIGH8.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability affects Firefox < 149.0.2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 149.0.2
Vendor states this is fixed in 149.0.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

Issue TrackingPermissions Required
Source: cverecord
https://bugzilla.mozilla.org/show_bug.cgi?id=2022554
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://access.redhat.com/security/cve/CVE-2026-5733
Source: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
https://bugzilla.redhat.com/show_bug.cgi?id=2455902

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119CWE-787

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