CVE-2025-49677
published 2025-07-08CVE-2025-49677: Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
PriorityP342high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
EXPLOIT
EPSS
0.95%
56.8th percentile
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_11_22h2 | < 10.0.22621.5624 | 10.0.22621.5624 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.5624 | 10.0.22621.5624 |
| msrc | windows_11_version_22h2_for_arm64-based_systems | — | — |
| msrc | windows_11_version_22h2_for_x64-based_systems | — | — |
CVSS provenance
nvdv3.17.0HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.0HIGH
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Microsoft
Microsoft Brokering File System Elevation of Privilege Vulnerability
vendor_msrc·2025-07-08·CVSS 7.0
CVE-2025-49677 [HIGH] CWE-416 Microsoft Brokering File System Elevation of Privilege Vulnerability
Microsoft Brokering File System Elevation of Privilege Vulnerability
Description: Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
FAQ: According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Microsoft Brokering File System: Microsoft Brokering File System
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Lates
GHSA
GHSA-69q2-qmcc-6rh3: Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally
ghsa_unreviewed·2025-07-08
CVE-2025-49677 [HIGH] CWE-416 GHSA-69q2-qmcc-6rh3: Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally
Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.
No detection rules found.
Qualys
Microsoft and Adobe Patch Tuesday, July 2025 Security Update Review | Qualys
blogs_qualys·2025-07-08
Microsoft and Adobe Patch Tuesday, July 2025 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for July 2025
- Adobe Patches for July 2025
- Zero-day Vulnerability Patched in July Patch Tuesday Edition
- Critical Severity Vulnerabilities Patched in July Patch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
- Rapid Response withPatch Management (PM)
- EVALUATE Vendor-Suggested Mitigation with Policy Audit
- Microsoft July 2025 Patch Tuesday Mitigations
- Qualys Monthly Webinar Series
With cybersecurity threats continuing to evolve, Microsoft’s July 2025 Patch Tuesday highlights the need for consistent patching — this month’s release includes key fixes for actively exploited vulnerabilities. Here’s a
Qualys
Microsoft and Adobe Patch Tuesday, July 2025 Security Update Review
blogs_qualys·2025-07-08
Microsoft and Adobe Patch Tuesday, July 2025 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for July 2025
Adobe Patches for July 2025
Zero-day Vulnerability Patched in July Patch Tuesday Edition
Critical Severity Vulnerabilities Patched in July Patch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
Rapid Response withPatch Management (PM)
EVALUATE Vendor-Suggested Mitigation with Policy Audit
Microsoft July 2025 Patch Tuesday Mitigations
Qualys Monthly Webinar Series
With cybersecurity threats continuing to evolve, Microsoft’s July 2025 Patch Tuesday highlights the need for consistent patching — this month’s release includes key fixes for actively exploited vulnerabilities. Here’s a quick breakdo
2025-07-08
Published