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CERTFR-2026-AVI-0046
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans les produits Microsoft. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et une atteinte à la confidentialité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Microsoft | N/A | Microsoft SQL Server 2022 pour systèmes x64 (CU 22) versions antérieures à 16.0.4230.2 | ||
| Microsoft | N/A | Microsoft SharePoint Server 2019 versions antérieures à 16.0.10417.20083 | ||
| Microsoft | N/A | Microsoft SharePoint Enterprise Server 2016 versions antérieures à 16.0.5535.1001 | ||
| Microsoft | N/A | Microsoft SQL Server 2025 pour systèmes x64 (GDR) versions antérieures à 17.0.1050.2 | ||
| Microsoft | N/A | Microsoft SharePoint Enterprise Server 2016 versions antérieures à 16.0.5535.1000 | ||
| Microsoft | N/A | Microsoft SharePoint Server Subscription Edition versions antérieures à 16.0.19127.20442 | ||
| Microsoft | N/A | Microsoft SQL Server 2022 pour systèmes x64 (GDR) versions antérieures à 16.0.1165.1 |
References
| Title | Publication Time | Tags | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Microsoft SQL Server 2022 pour syst\u00e8mes x64 (CU 22) versions ant\u00e9rieures \u00e0 16.0.4230.2",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft SharePoint Server 2019 versions ant\u00e9rieures \u00e0 16.0.10417.20083",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft SharePoint Enterprise Server 2016 versions ant\u00e9rieures \u00e0 16.0.5535.1001",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft SQL Server 2025 pour syst\u00e8mes x64 (GDR) versions ant\u00e9rieures \u00e0 17.0.1050.2",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft SharePoint Enterprise Server 2016 versions ant\u00e9rieures \u00e0 16.0.5535.1000",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft SharePoint Server Subscription Edition versions ant\u00e9rieures \u00e0 16.0.19127.20442",
"product": {
"name": "N/A",
"vendor": {
"name": "Microsoft",
"scada": false
}
}
},
{
"description": "Microsoft SQL Server 2022 pour syst\u00e8mes x64 (GDR) versions ant\u00e9rieures \u00e0 16.0.1165.1",
"product": {
"name": "N/A",
"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-2026-20943",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20943"
},
{
"name": "CVE-2026-20948",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20948"
},
{
"name": "CVE-2026-20959",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20959"
},
{
"name": "CVE-2026-20958",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20958"
},
{
"name": "CVE-2026-20947",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20947"
},
{
"name": "CVE-2026-20951",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20951"
},
{
"name": "CVE-2026-20963",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20963"
},
{
"name": "CVE-2026-20803",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-20803"
}
],
"initial_release_date": "2026-01-14T00:00:00",
"last_revision_date": "2026-01-14T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0046",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-01-14T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Microsoft. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, une \u00e9l\u00e9vation de privil\u00e8ges et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Microsoft",
"vendor_advisories": [
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20963",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963"
},
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20958",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20958"
},
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20803",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20803"
},
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20943",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20943"
},
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20948",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20948"
},
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20959",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20959"
},
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20947",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20947"
},
{
"published_at": "2026-01-13",
"title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-20951",
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20951"
}
]
}
CVE-2026-20947 (GCVE-0-2026-20947)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-01 13:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Summary
Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |
Version: 16.0.0 < 16.0.5535.1001 |
||||||||||||
|
||||||||||||||
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CVE-2026-20803 (GCVE-0-2026-20803)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-01 13:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-306 - Missing Authentication for Critical Function
Summary
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft SQL Server 2022 (GDR) |
Version: 16.0.0 < 16.0.1165.1 |
||||||||||||
|
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CVE-2026-20951 (GCVE-0-2026-20951)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-01 13:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
Summary
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |
Version: 16.0.0 < 16.0.5535.1001 |
||||||||||||
|
||||||||||||||
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CVE-2026-20959 (GCVE-0-2026-20959)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-01 13:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |
Version: 16.0.0 < 16.0.5535.1001 |
||||||||||||
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CVE-2026-20958 (GCVE-0-2026-20958)
Vulnerability from cvelistv5
Published
2026-01-13 17:57
Modified
2026-04-01 13:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Summary
Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |
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CVE-2026-20943 (GCVE-0-2026-20943)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-01 13:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-426 - Untrusted Search Path
Summary
Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft Office 2016 |
Version: 16.0.0 < 16.0.5535.1000 |
||||||||||||||||||||||
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CVE-2026-20963 (GCVE-0-2026-20963)
Vulnerability from cvelistv5
Published
2026-01-13 17:56
Modified
2026-04-02 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-502 - Deserialization of Untrusted Data
Summary
Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |
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},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2026-20963",
"datePublished": "2026-01-13T17:56:49.798Z",
"dateReserved": "2025-12-04T20:04:16.341Z",
"dateUpdated": "2026-04-02T03:55:34.121Z",
"state": "PUBLISHED"
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CVE-2026-20948 (GCVE-0-2026-20948)
Vulnerability from cvelistv5
Published
2026-01-13 17:57
Modified
2026-04-01 13:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-822 - Untrusted Pointer Dereference
Summary
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise |
Version: 16.0.1 < https://aka.ms/OfficeSecurityReleases |
||||||||||||||||||||||||||||||||||||||||||
|
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"role": "CISA Coordinator",
"timestamp": "2026-01-14T04:56:54.022935Z",
"version": "2.0.3"
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},
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],
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}
],
"metrics": [
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C",
"version": "3.1"
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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