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CVE-2026-92054 is a high-severity privilege escalation vulnerability in the Memory component of Firefox. This flaw allows an attacker to escalate privileges, potentially leading to full compromise of the affected system. The issue was addressed and fixed in Firefox version 156 and Firefox ESR 153.3.

CVE-2026-92054 is a privilege escalation vulnerability affecting the Memory component of Firefox. The vulnerability was addressed and fixed in Firefox 156 and Firefox ESR 153.3. It has a CVSS 3.1 base score of 8.8, indicating high severity, with network attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability. The Mozilla advisory confirms the fix and provides no indication of active exploitation in the wild.

Detailed information about Privilege escalation in the Memory component. (CVE-2026-92054). Get real-time updates, technical details, and mitigation strategies.

Privilege escalation in the Memory component. (CVE-2026-92054) - Live Threat Intelligence - Threat Radar | OffSeq.com

Privilege escalation in the Memory component. (CVE-2026-92054)

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Privilege escalation in the Memory component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156.

CVE-2026-92054 is a privilege escalation vulnerability affecting the Memory component of Mozilla Firefox. The issue allows an attacker to escalate privileges, potentially compromising the security context of the browser. Mozilla fixed this vulnerability in Firefox 156 and Firefox ESR 153.3 as part of a broader security update that addressed multiple high-impact vulnerabilities. The vendor advisory explicitly states the fix and assigns a high impact rating to this vulnerability.

Detailed information about CVE-2026-92054: Vulnerability in Mozilla Firefox affecting Mozilla Firefox. Get real-time updates, technical details, and mitigation 

CVE-2026-92054: Vulnerability in Mozilla Firefox - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-92054: Vulnerability in Mozilla Firefox


Privilege escalation in the Memory component. (CVE-2026-92054)CVE-2026-92054 0 CVE-2026-92054 is a high-severity privilege escalation vulnerability in the Memory component of Firefox. This flaw allows an attacker to escalate privileges, potentially leading to full compromise of the affected system. The issue was addressed and fixed in Firefox version 156 and Firefox ESR 153.3. HighVulnerability#gcve #osv #ghsa-mq5r-59fw-9qcj Join the discussion	GCVE Database	09/15/2026, 15:32:09 UTC Added: 09/16/2026, 03:07:57 UTC
CVE-2026-92054: Vulnerability in Mozilla FirefoxCVE-2026-92054 0 Privilege escalation in the Memory component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156. HighVulnerability#cve #cve-2026-92054 Join the discussion	CVE Database V5	09/15/2026, 12:34:15 UTC Added: 09/15/2026, 12:47:33 UTC

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