CVE-2025-53729 is an improper access control vulnerability in Microsoft Azure File Sync that allows an authorized local attacker to elevate privileges. With a CVSS score of 7.8 (High), this flaw presents a significant risk, enabling a low-privileged user to achieve high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity landscape. Organizations utilizing Azure File Sync should monitor for official patches and guidance from Microsoft.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 18.0.0.0, < 18.3.0.0CPE matchmatch criteria | cpe:2.3:a:microsoft:azure_file_sync:*:*:*:*:*:*:*:* | ||
>= 19.0.0.0, < 19.2.0.0CPE matchmatch criteria | cpe:2.3:a:microsoft:azure_file_sync:*:*:*:*:*:*:*:* | ||
>= 20.0.0.0, < 20.1.0.0CPE matchmatch criteria | cpe:2.3:a:microsoft:azure_file_sync:*:*:*:*:*:*:*:* | ||
>= 21.0.0.0, <= 21.1.0.0CPE matchmatch criteria | cpe:2.3:a:microsoft:azure_file_sync:*:*:*:*:*:*:*:* | ||
>= 1.0.0, < 18.3.0.0CPE match | cpe:2.3:a:microsoft:azure_file_sync:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.