CVE-2025-26634
Heap Buffer Overflow in Windows Core Messaging Elevates Privileges
Description
Description
Heap-based buffer overflow in Windows Core Messaging allows an authorized attacker to elevate privileges over a network.
CVSS Scores
EPSS Scores
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| Percentile: |
Affected Vendors & Products
| Vendor | Product | Version |
|---|---|---|
| vendor | product | From 3.1 (inc) |
| microsoft | windows_server_2019 | to 10.0.17763.4499 (inc) |
| microsoft | windows_server_2022 | to 10.0.20348.1787 (inc) |
| microsoft | windows_10_21h2 | to 10.0.19044.2846 (inc) |
| microsoft | windows_10_22h2 | to 10.0.19045.2846 (inc) |
| microsoft | windows_11_23h2 | to 10.0.22631.5039 (inc) |
| microsoft | windows_server_2016 | to 10.0.14393.5989 (inc) |
| microsoft | windows_10_1507 | to 10.0.10240.19869 (inc) |
| microsoft | windows_server_2025 | From 10.0.26100.3403 (exc) to 10.0.26100.3476 (inc) |
| microsoft | windows_server_2022_23h2 | to 10.0.20348.1787 (inc) |
| microsoft | windows_10_1607 | to 10.0.14393.5850 (inc) |
| microsoft | windows_11_22h2 | to 10.0.22621.1555 (inc) |
| microsoft | windows_11_24h2 | From 10.0.26100.3403 (exc) to 10.0.26100.3476 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | Heap-based Buffer Overflow |
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Meta Information
CVE Publication Date:
2025-03-11
CVE Last Modified Date:
2025-07-03
Report Generation Date:
2025-07-31
AI Powered Q&A Generation:
2025-03-11
EPSS Last Evaluated Date:
2025-07-22
NVD Report Link: