CVE-2025-54093
published 2025-09-09CVE-2025-54093: Time-of-check time-of-use (toctou) race condition in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
PriorityP335high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
EPSS
0.35%
27.1th percentile
Time-of-check time-of-use (toctou) race condition in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
Affected
47 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.21128 | 10.0.10240.21128 |
| microsoft | windows_10_1607 | < 10.0.14393.8422 | 10.0.14393.8422 |
| microsoft | windows_10_1809 | < 10.0.17763.7792 | 10.0.17763.7792 |
| microsoft | windows_10_21h2 | < 10.0.19044.6332 | 10.0.19044.6332 |
| microsoft | windows_10_22h2 | < 10.0.19045.6332 | 10.0.19045.6332 |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.21128 | 10.0.10240.21128 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.8422 | 10.0.14393.8422 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.7792 | 10.0.17763.7792 |
| microsoft | windows_10_version_21h2 | >= 10.0.19044.0 < 10.0.19044.6332 | 10.0.19044.6332 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.6332 | 10.0.19045.6332 |
| microsoft | windows_11_22h2 | < 10.0.22621.5909 | 10.0.22621.5909 |
| microsoft | windows_11_23h2 | < 10.0.22631.5909 | 10.0.22631.5909 |
| microsoft | windows_11_24h2 | < 10.0.26100.6508 | 10.0.26100.6508 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.5909 | 10.0.22621.5909 |
| microsoft | windows_11_version_22h3 | >= 10.0.22631.0 < 10.0.22631.5909 | 10.0.22631.5909 |
| microsoft | windows_11_version_23h2 | >= 10.0.22631.0 < 10.0.22631.5909 | 10.0.22631.5909 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.6584 | 10.0.26100.6584 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.27929 | 6.1.7601.27929 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.23529 | 6.0.6003.23529 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.25675 | 6.2.9200.25675 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.22774 | 6.3.9600.22774 |
| microsoft | windows_server_2016 | < 10.0.14393.8422 | 10.0.14393.8422 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.8422 | 10.0.14393.8422 |
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
Windows TCP/IP Driver Elevation of Privilege Vulnerability
vendor_msrc·2025-09-09·CVSS 7.0
CVE-2025-54093 [HIGH] CWE-367 Windows TCP/IP Driver Elevation of Privilege Vulnerability
Windows TCP/IP Driver Elevation of Privilege Vulnerability
Description: Time-of-check time-of-use (toctou) race condition in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
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.
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.
Windows TCP/IP: Windows TCP/IP
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploit
GHSA
GHSA-9xg5-4cpg-qqxq: Time-of-check time-of-use (toctou) race condition in Windows TCP/IP allows an authorized attacker to elevate privileges locally
ghsa_unreviewed·2025-09-09
CVE-2025-54093 [HIGH] CWE-367 GHSA-9xg5-4cpg-qqxq: Time-of-check time-of-use (toctou) race condition in Windows TCP/IP allows an authorized attacker to elevate privileges locally
Time-of-check time-of-use (toctou) race condition in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
No detection rules found.
No public exploits indexed.
Bleepingcomputer
Microsoft September 2025 Patch Tuesday fixes 81 flaws, two zero-days
blogs_bleepingcomputer·2025-09-09·CVSS 8.8
[HIGH] Microsoft September 2025 Patch Tuesday fixes 81 flaws, two zero-days
## Microsoft September 2025 Patch Tuesday fixes 81 flaws, two zero-days
## Lawrence Abrams
41 Elevation of Privilege Vulnerabilities
2 Security Feature Bypass Vulnerabilities
22 Remote Code Execution Vulnerabilities
16 Information Disclosure Vulnerabilities
3 Denial of Service Vulnerabilities
1 Spoofing Vulnerabilities
When BleepingComputer reports on the Patch Tuesday security updates, we only count those released on Patch Tuesday.
Therefore, the number of flaws does not include three Azure, one Dynamics 365 FastTrack Implementation Assets, two Mariner, five Microsoft Edge, and 1 Xbox vulnerabilities fixed earlier this month.
To learn more about the non-security updates released today, you can review our dedicated articles on the Windows 11 KB5065426 & KB5065431 cumulative updat
Talos
Microsoft Patch Tuesday for September 2025 – Snort rules and prominent vulnerabilities
blogs_talos·2025-09-09·CVSS 4.8
[MEDIUM] Microsoft Patch Tuesday for September 2025 – Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for September 2025 – Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for September 2025, which includes 86 vulnerabilities affecting a range of products.
In this month’s release, Microsoft observed none of the included vulnerabilities being exploited in the wild. However, there are eight vulnerabilities where exploitation may be likely. Five consist of elevation of privileges, two may result in information disclosure and only one, CVE-2025-54916, is a remote code execution (RCE) vulnerability.
CVE-2025-54916 is an RCE vulnerability caused by a stack-buffer overflow in Windows NTFS that allows an authorized attacker to execute code over the network. Microsoft has noted that this vulnerability affects different versio
Qualys
Microsoft and Adobe Patch Tuesday, September 2025 Security Update Review
blogs_qualys·2025-09-09
Microsoft and Adobe Patch Tuesday, September 2025 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for September 2025
Adobe Patches for September 2025
Zero-day Vulnerabilities Patched in September Patch Tuesday Edition
Critical Severity Vulnerabilities Patched in September Patch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
Rapid Response with TruRisk Eliminate
Automating Risk Elimination and Accelerating Response: Meet Agent Sara
EVALUATE Vendor-Suggested Mitigation withPolicy Audit
Qualys Monthly Webinar Series
It’s the second Tuesday of September, and Microsoft has rolled out its latest security updates. Microsoft’s September 2025 Patch Tuesday has arrived, bringing a fresh wave of security fixes
Talos
Microsoft Patch Tuesday for September 2025 – Snort rules and prominent vulnerabilities
blogs_talos·2025-09-09·CVSS 4.8
CVE-2025-54916 [MEDIUM] Microsoft Patch Tuesday for September 2025 – Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for September 2025, which includes 86 vulnerabilities affecting a range of products.
In this month’s release, Microsoft observed none of the included vulnerabilities being exploited in the wild. However, there are eight vulnerabilities where exploitation may be likely. Five consist of elevation of privileges, two may result in information disclosure and only one, CVE-2025-54916, is a remote code execution (RCE) vulnerability.
CVE-2025-54916 is an RCE vulnerability caused by a stack-buffer overflow in Windows NTFS that allows an authorized attacker to execute code over the network. Microsoft has noted that this vulnerability affects different versions of Windows 10, 11, Server 2008, 2012, 2016, 2019, 2022 and 2025.
CVE-2025-54910 is an R
Qualys
Microsoft and Adobe Patch Tuesday, September 2025 Security Update Review | Qualys
blogs_qualys·2025-09-09
Microsoft and Adobe Patch Tuesday, September 2025 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for September 2025
- Adobe Patches for September 2025
- Zero-day Vulnerabilities Patched in September Patch Tuesday Edition
- Critical Severity Vulnerabilities Patched in September Patch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
- Rapid Response with TruRisk Eliminate
- Automating Risk Elimination and Accelerating Response: Meet Agent Sara
- EVALUATE Vendor-Suggested Mitigation withPolicy Audit
- Qualys Monthly Webinar Series
It’s the second Tuesday of September, and Microsoft has rolled out its latest security updates. Microsoft’s September 2025 Patch Tuesday has arrived, bringing a fresh wave of s
2025-09-09
Published