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CVE-2026-8965

⚠️ high
🔍 Scan for this CVE
Summary

Information disclosure in the DOM: Security component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

CVSS Score
7.5
High
EPSS Score
0.3
Exploit Probability
Published Date
2026-05-19
First Seen: 2026-05-20
📊 Relative Risk Intelligence

This CVE is Moderate Risk - more severe than 68.7% of all 338,292 vulnerabilities in our database.

#105,741
Above average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: May 20, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
YES
Can be exploited automatically
💥 Technical Impact
Partial
Limited system impact
🏆 Discovered By
Shihab Mirza
SSVC data provided by CISA
Last Modified 2026-07-23
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE IDs (Weakness Types)
CWE-200

📦 Affected Products 2

Vendor Product Status Affected Versions
mozilla firefox Affected
< 151.0.0
mozilla thunderbird Affected
< 151.0.0

🔗 References 3

https://bugzilla.mozilla.org/show_bug.cgi?id=2025740
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026...
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026...
Vendor Advisory

🔗 Related CVEs 6

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-16349 ⛔ critical 9.8 0.2 Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115... 2026-07-21
CVE-2026-16350 ⛔ critical 9.8 0.4 Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 153, Firefox ... 2026-07-21
CVE-2026-16351 ⛔ critical 9.8 0.4 Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Fire... 2026-07-21
CVE-2026-16352 ⛔ critical 9.8 0.4 Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 15... 2026-07-21
CVE-2026-16353 ⛔ critical 9.8 0.4 Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38... 2026-07-21
CVE-2026-16354 ⚠️ high 7.5 0.3 Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153, Firefox ESR 115... 2026-07-21
These CVEs affect the same products