CERTFR-2026-AVI-1171
Vulnerability from certfr_avis - Published: 2026-09-14 - Updated: 2026-09-14
De multiples vulnérabilités ont été découvertes dans Microsoft Edge. Elles permettent à un attaquant de provoquer un contournement de la politique de sécurité et un problème de sécurité non spécifié par l'éditeur.
Microsoft indique que la vulnérabilité CVE-2026-87491 est activement exploitée.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Microsoft Edge versions ant\u00e9rieures \u00e0 152.0.4191.66",
"product": {
"name": "Edge",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft Edge versions ant\u00e9rieures \u00e0 151.0.4129.107",
"product": {
"name": "Edge",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-85053",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-85053"
},
{
"name": "CVE-2026-76039",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76039"
},
{
"name": "CVE-2026-76021",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76021"
},
{
"name": "CVE-2026-85043",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-85043"
},
{
"name": "CVE-2026-85048",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-85048"
},
{
"name": "CVE-2026-85049",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-85049"
},
{
"name": "CVE-2026-87491",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-87491"
},
{
"name": "CVE-2026-84333",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-84333"
},
{
"name": "CVE-2026-85052",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-85052"
},
{
"name": "CVE-2026-76017",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76017"
},
{
"name": "CVE-2026-85045",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-85045"
},
{
"name": "CVE-2026-76023",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76023"
},
{
"name": "CVE-2026-85042",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-85042"
},
{
"name": "CVE-2026-76022",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76022"
},
{
"name": "CVE-2026-84352",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-84352"
},
{
"name": "CVE-2026-77490",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-77490"
},
{
"name": "CVE-2026-85051",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-85051"
},
{
"name": "CVE-2026-76018",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76018"
},
{
"name": "CVE-2026-76036",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76036"
},
{
"name": "CVE-2026-76019",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-76019"
},
{
"name": "CVE-2026-84330",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-84330"
}
],
"initial_release_date": "2026-09-14T00:00:00",
"last_revision_date": "2026-09-14T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1171",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-09-14T00:00:00.000000"
}
],
"risks": [
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Microsoft Edge. Elles permettent \u00e0 un attaquant de provoquer un contournement de la politique de s\u00e9curit\u00e9 et un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.\n\nMicrosoft indique que la vuln\u00e9rabilit\u00e9 CVE-2026-87491 est activement exploit\u00e9e.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Microsoft Edge",
"vendor_advisories": [
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-85045",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85045"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-85042",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85042"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-76036",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76036"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-87491",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-87491"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-76039",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76039"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-85043",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85043"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-85051",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85051"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-76023",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76023"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-76021",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76021"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-85052",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85052"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-85053",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85053"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-85049",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85049"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-84330",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84330"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-84352",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84352"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-76018",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76018"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-76017",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76017"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-85048",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85048"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-76022",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76022"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-76019",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-76019"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-77490",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77490"
},
{
"published_at": "2026-09-11",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft Edge CVE-2026-84333",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84333"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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