CVE-2025-48799
Windows Update Service Elevation of Privilege Vulnerability
Description
Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally.
INFO
Published Date :
July 8, 2025, 5:15 p.m.
Last Modified :
Sept. 26, 2025, 5:23 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-48799
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Apply the latest Windows security updates.
- Verify the Update Service is configured correctly.
- Restrict local administrative privileges.
Public PoC/Exploit Available at Github
CVE-2025-48799 has a 10 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-48799.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48799 | Vendor Advisory |
| https://www.vicarius.io/vsociety/posts/cve-2025-48799-detection-script-elevation-of-privilege-vulnerability-in-windows-update-service | Exploit Third Party Advisory |
| https://www.vicarius.io/vsociety/posts/cve-2025-48799-mitigation-script-elevation-of-privilege-vulnerability-in-windows-update-service | Exploit Mitigation Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-48799 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-48799
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
🛡️ Demonstrate CVE-2025-48799, a Windows Update service vulnerability that allows elevation of privilege via arbitrary folder deletion on multi-drive systems.
code-analysis cve-2025-48799 cybersecurity exploit-development incident-response information-security open-source-security risk-assessment risk-mitigation security-vulnerability software-bug systems-security threat-intelligence vulnerability-research patch-update
C++ C
CVE-2025-48799 exposes a critical flaw in Apache Tomcat’s header parser, allowing remote code execution via malformed X-Forwarded headers. This post models the threat, explores proxy chaining risks, and outlines defense tactics for edge service hardening.
Sample exploit of patched vulnerability
C
None
C++ C
This PoC for CVE-2025-48799 demonstrates an elevation of privilege vulnerability in Windows Update service, affecting Windows 10 and 11. 🐱💻🔒
C++ C
None
C++ C
监控Github最新网络安全相关的仓库...
cve cybersecurity github spider
Shell Python Nix
This repo will give you the latest trending repo on github and giving you a grasp by sending email via Github Watching Features
daily github-actions trending-repositories
Python
TOP All bugbounty pentesting CVE-2023- POC Exp RCE example payload Things
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Shell
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
security cve exploit poc vulnerability
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-48799 vulnerability anywhere in the article.
-
0patch.com
Micropatches Released for Windows Update Service Elevation of Privilege Vulnerability (CVE-2025-48799)
July 2025 Windows Updates brought a patch for CVE-2025-48799, a local privilege elevation vulnerability allowing a local non-administrative attacker to obtain administrative privileges. The vulnerabil ... Read more
-
The Cyber Express
Microsoft Patch Tuesday July 2025: 130 Vulnerabilities Fixed, 17 High-Risk
Patch Tuesday for July 2025 was the busiest day for Microsoft fixes since January, with 130 Microsoft CVEs patched – including 17 ones at high risk for exploitation. July’s total also included 10 non- ... Read more
-
The Cyber Express
Microsoft Patch Tuesday July 2025: 130 Vulnerabilities Fixed, 17 High-Risk
Patch Tuesday for July 2025 was the busiest day for Microsoft fixes since January, with 130 Microsoft CVEs patched – including 17 ones at high risk for exploitation. July’s total also included 10 non- ... Read more
The following table lists the changes that have been made to the
CVE-2025-48799 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Modified Analysis by [email protected]
Sep. 26, 2025
Action Type Old Value New Value Added Reference Type CVE: https://www.vicarius.io/vsociety/posts/cve-2025-48799-detection-script-elevation-of-privilege-vulnerability-in-windows-update-service Types: Exploit, Third Party Advisory Added Reference Type CVE: https://www.vicarius.io/vsociety/posts/cve-2025-48799-mitigation-script-elevation-of-privilege-vulnerability-in-windows-update-service Types: Exploit, Mitigation, Third Party Advisory -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Sep. 15, 2025
Action Type Old Value New Value Added Reference https://www.vicarius.io/vsociety/posts/cve-2025-48799-detection-script-elevation-of-privilege-vulnerability-in-windows-update-service Added Reference https://www.vicarius.io/vsociety/posts/cve-2025-48799-mitigation-script-elevation-of-privilege-vulnerability-in-windows-update-service -
Initial Analysis by [email protected]
Jul. 15, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.4652 *cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22621.5624 *cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.22631.5624 *cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.4652 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.14393.8246 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.14393.8246 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.7558 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.7558 *cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19044.6093 *cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.19045.6093 Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48799 Types: Vendor Advisory -
New CVE Received by [email protected]
Jul. 08, 2025
Action Type Old Value New Value Added Description Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally. Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-59 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48799