CVE-2018-0998
Status: ModifiedMedium (4.3)—
An information disclosure vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-0892.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Base score: 4.3
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 5.56%
- Percentile among all scored CVEs: 93
- Score date: 10/10/2026
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).
Affected technologies (1)
CWEs
- NVD-CWE-noinfo
References
- http://www.securityfocus.com/bid/103598
- http://www.securitytracker.com/id/1040650
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0998
- http://www.securityfocus.com/bid/103598
- http://www.securitytracker.com/id/1040650
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0998
Raw JSON (NVD)
Show
{
"id": "CVE-2018-0998",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 4.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Microsoft Edge",
"versions": [
{
"status": "affected",
"version": "Windows 10 Version 1607 for 32-bit Systems"
},
{
"status": "affected",
"version": "Windows 10 Version 1607 for x64-based Systems"
},
{
"status": "affected",
"version": "Windows 10 Version 1703 for 32-bit Systems"
},
{
"status": "affected",
"version": "Windows 10 Version 1703 for x64-based Systems"
},
{
"status": "affected",
"version": "Windows 10 Version 1709 for 32-bit Systems"
},
{
"status": "affected",
"version": "Windows 10 Version 1709 for x64-based Systems"
},
{
"status": "affected",
"version": "Windows Server 2016"
}
]
}
]
}
],
"published": "2018-04-12T01:29:08.330",
"references": [
{
"url": "http://www.securityfocus.com/bid/103598",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.securitytracker.com/id/1040650",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0998",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.securityfocus.com/bid/103598",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securitytracker.com/id/1040650",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0998",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An information disclosure vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory, aka \"Microsoft Edge Information Disclosure Vulnerability.\" This affects Microsoft Edge. This CVE ID is unique from CVE-2018-0892."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad de divulgación de información cuando el lector de PDF de Microsoft Edge no gestiona correctamente los objetos en la memoria. Esto también se conoce como \"Microsoft Edge Information Disclosure Vulnerability\". Esto afecta a Microsoft Edge. El ID de este CVE es diferente de CVE-2018-0892."
}
],
"lastModified": "2026-06-17T01:32:10.657",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8BD5B232-95EA-4F8E-8C7D-7976877AD243"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "AEE2E768-0F45-46E1-B6D7-087917109D98"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "83B14968-3985-43C3-ACE5-8307196EFAE3"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "AF6437F9-6631-49D3-A6C2-62329E278E31"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "secure@microsoft.com"
}