CVE•Published 2026-02-24•Modified 2026-04-13•1 article on news•4 live references•NVD data
CVE-2026-2787Mozilla · Firefox
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
Use-after-free in the DOM: Window and Location component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
Timeline
Published 2026-02-24
Modified 2026-04-13
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-2787Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Mozilla Firefox"All exposed Mozilla Firefox instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Firefox"HTTP body or banner mentions "Firefox" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-2787Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-2787Censys host search filtered to this CVE id.
grep.app
CVE-2026-2787Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-2787GitHub code search for direct mentions.
Google dork
"CVE-2026-2787" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (7)
CVE-2026-27877 repos
ugurkocde/IntuneBrewShell
IntuneBrew is a PowerShell-based tool that simplifies the process of uploading and managing macOS applications in Microsoft Intune. It automates the entire workflow from downloadin…
patrickmgarrity/Anthropic-Credited-CVEsunknown
Tracking Vulnerabilities That Appear to be Credited to the Anthropic Research Team
hiifong/starListPython
Export your star's repository list
oslook/n8n-workflowsunknown
4200 + Workflow Automation Templates are Grouped by Categories/Services for easy navigation
0xBlackash/CVE-2026-27876Python
CVE-2026-27876
thunderstornX/rag-threat-intelPython
Sovereign RAG pipeline for vulnerability and threat-intelligence Q&A. Ollama + pgvector + FastAPI; compares 3 chunking strategies.
securin-public/frontier-ai-cve-trackerunknown
Tracking CVEs discovered by AI systems — Anthropic, OpenAI, Google Big Sleep, Microsoft MDASH, DepthFirst