CVE-2026-85842
Status: Undergoing AnalysisHigh (7.8)—
Severity7.8High · CVSS 3.1
Exploitation probability0.32 %higher than 23% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found
Use of externally-controlled format string in Windows Image Acquisition allows an authorized attacker to elevate privileges locally.
CVSS
- Base score
- 7.8
- Version
- 3.1
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days
- 0.32 %
- Percentile among all scored CVEs
- 23
- Score date
- 10/20/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1068Exploitation for Privilege Escalationprivilege escalation90 %
El vector CVSS es AV:L con PR:L y UI:N, y la descripción indica escalada de privilegios local por cadena de formato, así que es T1068. No hay impacto adicional explícito en el texto.
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
ATT&CK mitigations that cover these techniques
Affected technologies (1)
⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.
CWEs
- CWE-134
References
Show 1 references
Raw JSON (NVD)
Show
{
"id": "CVE-2026-85842",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"id": "CVE-2026-85842",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-10-13T20:08:03.638705Z"
}
}
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"cvssMetricV31": [
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"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
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"impactScore": 5.9,
"exploitabilityScore": 1.8
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"affected": [
{
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{
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{
"vendor": "Microsoft",
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"platforms": [
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{
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],
"published": "2026-10-13T19:21:10.197",
"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85842",
"source": "secure@microsoft.com"
}
],
"vulnStatus": "Undergoing Analysis",
"weaknesses": [
{
"type": "Secondary",
"source": "secure@microsoft.com",
"description": [
{
"lang": "en",
"value": "CWE-134"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Use of externally-controlled format string in Windows Image Acquisition allows an authorized attacker to elevate privileges locally."
}
],
"lastModified": "2026-10-16T16:22:09.480",
"sourceIdentifier": "secure@microsoft.com"
}