Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-92064— Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component

Quick assessment

Affected
Mozilla Firefox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

由于 Widget: Win32 组件中边界条件处理不当，导致沙箱逃逸漏洞。该漏洞已在 Firefox 156 和 Firefox ESR 153.3 中修复。

AI Predicted 7.5 Difficulty: Hard EPSS 0.14% · P4

Affected Version Matrix 4

VendorProduct Version RangeStatus
Mozilla Firefox 153.3≤ 153.* unaffected
156≤ * unaffected
Mozilla Thunderbird 153.3≤ 153.* unaffected
156≤ * unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-92064

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component
Source: CVE Program / CVE List V5
Vulnerability Description
Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Mozilla Firefox 153.3 ~ 153.* -
Mozilla Thunderbird 153.3 ~ 153.* -

II. Public POCs for CVE-2026-92064

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-92064

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-92064 (1)

Same Patch Batch · Mozilla · 2026-09-15 · 78 CVEs total

CVE-2026-92038 Mitigation bypass in the Remote Settings Client component
CVE-2026-92037 Incorrect boundary conditions in the DOM: Animation component
CVE-2026-92023 Use-after-free in the XML component
CVE-2026-92035 Sandbox escape due to incorrect boundary conditions in the Graphics component
CVE-2026-92034 Site isolation issue in the Graphics component
CVE-2026-92036 Incorrect boundary conditions in the Networking: HTTP component
CVE-2026-92039 Mitigation bypass in the DOM: Notifications component
CVE-2026-92040 Use-after-free in the JavaScript: WebAssembly component
CVE-2026-92041 Mitigation bypass in the DOM: Networking component
CVE-2026-92042 Race condition in the DOM: Content Processes component
CVE-2026-92033 Privilege escalation in Firefox for Android
CVE-2026-92032 Sandbox escape due to invalid pointer in the Graphics component
CVE-2026-92031 Information disclosure in the Graphics: ImageLib component
CVE-2026-92030 Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component
CVE-2026-92029 Use-after-free in the SVG component
CVE-2026-92028 Use-after-free in the DOM: Core & HTML component
CVE-2026-92027 Use-after-free in the DOM: Streams component
CVE-2026-92026 Use-after-free in the Networking component
CVE-2026-92025 Use-after-free in the DOM: Navigation component
CVE-2026-92024 Use-after-free in the SVG component

Showing top 20 of 78 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2026-92064

No comments yet

Leave a comment