What is the CVSS score of CVE-2025-49693?

CVE-2025-49693 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 11 24h2 are affected by CVE-2025-49693?

CVE-2025-49693 is a privilege escalation vulnerability in Microsoft's Brokering File System that allows authenticated users to escalate their access rights, potentially compromising system integrity…. A patch is available.

How to fix or mitigate CVE-2025-49693?

Within 24 hours: Identify all Windows systems running affected Microsoft Brokering File System components and validate current patch status. Within 7 days: Apply vendor-released patch to all affected systems, prioritizing domain controllers, privileged workstations, and servers with sensitive data access. Within 30 days: Complete patch deployment across entire Windows infrastructure and validate remediation through vulnerability scanning.

Windows 11 24h2 CVE-2025-49693

EUVD-2025-20564 HIGH

Double Free (CWE-415)

2025-07-08 secure@microsoft.com

Microsoft Information Disclosure Windows 11 24h2 Windows Server 2022 23h2 Windows 11 22h2 Windows Server 2025 Windows 11 23h2

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

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 - 06:30 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

10.0.26100.4652,10.0.22631.5624,10.0.25398.1732

EUVD ID Assigned

Mar 16, 2026 - 04:21 euvd

EUVD-2025-20564

Analysis Generated

Mar 16, 2026 - 04:21 vuln.today

CVE Published

Jul 08, 2025 - 17:15 nvd

HIGH 7.8

DescriptionCVE.org

Double free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

AnalysisAI

A privilege escalation vulnerability in Double free in Microsoft Brokering File System (CVSS 7.8) that allows an authorized attacker. High severity vulnerability requiring prompt remediation.

Technical ContextAI

Vulnerability type: privilege escalation. CVSS 7.8 indicates high severity. Affects Double free in Microsoft Brokering File System.

RemediationAI

Monitor vendor channels for patch availability.

CVE-2025-49693 vulnerability details – vuln.today

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Windows 11 24h2 CVE-2025-49693

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code