CVE-2025-48799 — Link Following in Microsoft Windows 10 Version 1607

CWE-59 — Link Following7 documents6 sources
Severity
7.8HIGHNVD
EPSS
1.7%
top 17.82%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
16
Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2+13 more
Timeline
PublishedJul 8

Description

Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages17 packages

▶NVDmicrosoft/windows< 10.0.26100.4652
▶NVDmicrosoft/windows_10_1607< 10.0.14393.8246
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7558
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.6093
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.6093

🔴Vulnerability Details

2
CVEList
Windows Update Service Elevation of Privilege Vulnerability↗2025-07-08
▶
GHSA
GHSA-hc7x-m44m-xhxq: Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally↗2025-07-08
▶

📋Vendor Advisories

1
Microsoft
Windows Update Service Elevation of Privilege Vulnerability↗2025-07-08
▶

🕵️Threat Intelligence

3
Qualys
Microsoft and Adobe Patch Tuesday, July 2025 Security Update Review | Qualys↗2025-07-08
▶
Qualys
Microsoft and Adobe Patch Tuesday, July 2025 Security Update Review↗2025-07-08
▶
Zscaler
Zscaler protects against 6 new vulnerabilities | 07-08-2025↗
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CVE-2025-48799 — Link Following in Microsoft | cvebase