CVE-2023-38170 - Vulnerability Details - OpenCVE

Description

HEVC Video Extensions Remote Code Execution Vulnerability

Published: 2023-08-08

Score: 7.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Microsoft

HEVC Video Extension

affected

Version	Status	Constraints
`1.0.0.0`	affected	< 2.0.61931.0

Microsoft

HEVC Video Extensions

affected

Version	Status	Constraints
`1.0.0`	affected	< 2.0.61933.0

Configuration 1 [-]

cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-41995	HEVC Video Extensions Remote Code Execution Vulnerability

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00693.

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38170

History

Mon, 10 Aug 2026 16:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 15 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00714}`	epss `{'score': 0.00766}`

Subscriptions

Microsoft Hevc Video Extensions

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2023-08-08T17:08:43.944Z

Updated: 2026-08-10T15:11:47.762Z

Reserved: 2023-07-12T23:41:45.863Z

Link: CVE-2023-38170

Vulnrichment

Updated: 2024-08-02T17:30:14.096Z

NVD

Status : Modified

Published: 2023-08-08T18:15:22.347

Modified: 2026-08-10T16:18:35.487

Link: CVE-2023-38170

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-122
Heap-based Buffer Overflow
NVD-CWE-noinfo

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-38170", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2023-07-12T23:41:45.863Z", "datePublished": "2023-08-08T17:08:43.944Z", "dateUpdated": "2026-08-10T15:11:47.762Z"}, "containers": {"cna": {"title": "HEVC Video Extensions Remote Code Execution Vulnerability", "datePublic": "2023-08-08T07:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.0.0.0", "versionEndExcluding": "2.0.61931.0"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:*", "versionStartIncluding": "1.0.0", "versionEndExcluding": "2.0.61933.0"}]}]}], "affected": [{"vendor": "Microsoft", "product": "HEVC Video Extension", "versions": [{"version": "1.0.0.0", "lessThan": "2.0.61931.0", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "HEVC Video Extensions", "versions": [{"version": "1.0.0", "lessThan": "2.0.61933.0", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "HEVC Video Extensions Remote Code Execution Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-122: Heap-based Buffer Overflow", "lang": "en-US", "type": "CWE", "cweId": "CWE-122"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-10T15:11:47.762Z"}, "references": [{"name": "HEVC Video Extensions Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38170"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.8, "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"}}]}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-38170", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-06-04T01:22:51.292686Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:28:28.378Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T17:30:14.096Z"}, "title": "CVE Program Container", "references": [{"name": "HEVC Video Extensions Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "x_transferred"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38170"}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38170", "name": "HEVC Video Extensions Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T17:30:14.096Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-38170", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-06-04T01:22:51.292686Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T01:23:02.588Z"}}], "cna": {"title": "HEVC Video Extensions Remote Code Execution Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 7.8, "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"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": "HEVC Video Extension", "versions": [{"status": "affected", "version": "1.0.0.0", "lessThan": "2.0.61931.0", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "HEVC Video Extensions", "versions": [{"status": "affected", "version": "1.0.0", "lessThan": "2.0.61933.0", "versionType": "custom"}]}], "datePublic": "2023-08-08T07:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38170", "name": "HEVC Video Extensions Remote Code Execution Vulnerability", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en-US", "value": "HEVC Video Extensions Remote Code Execution Vulnerability"}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-122", "description": "CWE-122: Heap-based Buffer Overflow"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.0.61931.0", "versionStartIncluding": "1.0.0.0"}, {"criteria": "cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.0.61933.0", "versionStartIncluding": "1.0.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-10T15:11:47.762Z"}}}, "cveMetadata": {"cveId": "CVE-2023-38170", "state": "PUBLISHED", "dateUpdated": "2026-08-10T15:11:47.762Z", "dateReserved": "2023-07-12T23:41:45.863Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2023-08-08T17:08:43.944Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "HEVC Video Extension", "vendor": "Microsoft", "versions": [{"lessThan": "2.0.61931.0", "status": "affected", "version": "1.0.0.0", "versionType": "custom"}]}, {"product": "HEVC Video Extensions", "vendor": "Microsoft", "versions": [{"lessThan": "2.0.61933.0", "status": "affected", "version": "1.0.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:hevc_video_extensions:*:*:*:*:*:*:*:*", "matchCriteriaId": "9CF46493-ED98-4A9A-911A-F620E515C3DB", "versionEndExcluding": "2.0.61933.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "HEVC Video Extensions Remote Code Execution Vulnerability"}], "id": "CVE-2023-38170", "lastModified": "2026-08-10T16:18:35.487", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-38170", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-06-04T01:22:51.292686Z", "version": "2.0.3"}}]}, "published": "2023-08-08T18:15:22.347", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38170"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38170"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "secure@microsoft.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}