CVE•Published 2026-10-13•Modified 2026-10-26•1 article on news•3 live references•NVD data
CVE-2026-109774
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
8
Exploit Prediction Scoring System · top 92% of all CVEs
Weaknesses (CWE)
Description
Invalid pointer, undefined behavior in the DOM: Notifications component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.
Timeline
Published 2026-10-13
Modified 2026-10-26
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-2026-109774Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-109774Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-109774Censys host search filtered to this CVE id.
grep.app
CVE-2026-109774Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-109774GitHub code search for direct mentions.
Google dork
"CVE-2026-109774" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-109774 on GitHub.