ShellCodeX vulnerability brief
HIGH
EPSS 0.2%
Analyzed
CVE-2026-74947
Privilege escalation due to invalid pointer in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.
Published 18 Aug 2026, 13:17 UTC
Last modified 19 Aug 2026, 00:58 UTC
01
Attack profile
The conditions required to exploit this vulnerability and its potential impact.
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
02
Affected products
Product applicability statements supplied with the NVD record.
VendorProductAffected version
Mozilla
Firefox
before 153.1.0
Mozilla
Firefox
before 154.0.0
Mozilla
Thunderbird
before 153.1.0
Mozilla
Thunderbird
before 154.0
03
Weakness classification
CWE categories help security teams group the underlying software weakness.
04
Source references
External advisories, patches and technical reports attached to this CVE record.