CVE-2026-16349

Published: Lug 21, 2026 Last Modified: Lug 24, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,8
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0022
Percentile
0,1th
Updated

Single Data Point

Only one EPSS measurement is available for this CVE. Trend analysis requires multiple data points over time.

346

Origin Validation Error

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Other
Potential Impacts:
Gain Privileges Or Assume Identity Varies By Context
Applicable Platforms
Technologies: Not Technology-Specific, Web Based
View CWE Details
Application

Firefox by Mozilla

Product Information
Vendor Mozilla
Product Firefox
Version Range Affected
To 153.0.0 (exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Thunderbird by Mozilla

Product Information
Vendor Mozilla
Product Thunderbird
Version Range Affected
To 140.13.0 (exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Thunderbird by Mozilla

Product Information
Vendor Mozilla
Product Thunderbird
Version Range Affected
From 141.0 (inclusive)
To 153.0 (exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Firefox by Mozilla

Product Information
Vendor Mozilla
Product Firefox
Version Range Affected
To 115.38.0 (exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Firefox by Mozilla

Product Information
Vendor Mozilla
Product Firefox
Version Range Affected
From 128.1.0 (inclusive)
To 140.13.0 (exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://bugzilla.mozilla.org/show_bug.cgi?id=2034682
https://bugzilla.mozilla.org/show_bug.cgi?id=2034682
https://www.mozilla.org/security/advisories/mfsa2026-68/
https://www.mozilla.org/security/advisories/mfsa2026-68/
https://www.mozilla.org/security/advisories/mfsa2026-69/
https://www.mozilla.org/security/advisories/mfsa2026-69/
https://www.mozilla.org/security/advisories/mfsa2026-70/
https://www.mozilla.org/security/advisories/mfsa2026-70/
https://www.mozilla.org/security/advisories/mfsa2026-71/
https://www.mozilla.org/security/advisories/mfsa2026-71/
https://www.mozilla.org/security/advisories/mfsa2026-72/
https://www.mozilla.org/security/advisories/mfsa2026-72/