What is the CVSS score of CVE-2025-48805?

CVE-2025-48805 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Windows 10 1507 are affected by CVE-2025-48805?

Microsoft MPEG-2 Video Extension contains a heap-based buffer overflow (CVE-2025-48805) that permits authenticated local users to execute arbitrary code with elevated privileges.. A patch is available.

How to fix or mitigate CVE-2025-48805?

Within 24 hours: Identify all Windows systems with Microsoft MPEG-2 Video Extension installed using asset inventory tools and prioritize endpoints with high-privilege user accounts. Within 7 days: Apply vendor-released patch to all affected systems and validate successful deployment through automated compliance scanning. Within 30 days: Conduct audit of local admin account usage and implement application whitelisting controls to restrict unauthorized code execution.

Windows 10 1507 CVE-2025-48805

EUVD-2025-20599 HIGH

Heap-based Buffer Overflow (CWE-122)

2025-07-08 secure@microsoft.com

Buffer Overflow Heap Overflow Microsoft Windows 10 1507 Windows 10 1607 Windows 10 1809 Windows 10 21h2 Windows 10 22h2 Windows 11 22h2 Windows 11 23h2 Windows 11 24h2 Windows Server 2008 Windows Server 2012 Windows Server 2016 Windows Server 2019 Windows Server 2022 Windows Server 2022 23h2 Windows Server 2025

7.8

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 06:32 EUVD-patch-fix

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

Patch available

Apr 16, 2026 - 05:29 EUVD

10.0.26100.4652,10.0.14393.8246,10.0.22631.5624

EUVD ID Assigned

Mar 16, 2026 - 04:21 euvd

EUVD-2025-20599

Analysis Generated

Mar 16, 2026 - 04:21 vuln.today

CVE Published

Jul 08, 2025 - 17:15 nvd

HIGH 7.8

DescriptionNVD

Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an authorized attacker to execute code locally.

Analysis

Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an authorized attacker to execute code locally.

Technical ContextAI

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state. This vulnerability is classified as Heap-based Buffer Overflow (CWE-122).

RemediationAI

Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.

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CVE-2025-48805 vulnerability details – vuln.today

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Windows 10 1507 CVE-2025-48805

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

Analysis

Technical ContextAI

RemediationAI

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External POC / Exploit Code