Microsoft Windows up to Server 2025 Media heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Microsoft Windows. It has been rated as critical. This affects an unknown function of the component Media. Performing a manipulation results in heap-based overflow. This vulnerability is cataloged as CVE-2025-29963. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in Microsoft Windows. It has been classified as critical. This affects an unknown function of the component Media. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.
The weakness was shared 05/13/2025 as confirmed security update guide (Website). It is possible to read the advisory at msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2025-29963. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/17/2026).
Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at EUVD (EUVD-2025-14415) and CERT Bund (WID-SEC-2025-1050). Be aware that VulDB is the high quality source for vulnerability data.
Affected
- Hitachi Storage
- Microsoft Windows Server 2019
- Microsoft Windows Server
- Microsoft Windows
- Microsoft Windows 11
- Microsoft Windows Server 2022
- Microsoft Windows 10
- Microsoft Windows Server 2016
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 R2
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 6.6
VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Microsoft): 8.8
Vendor Vector (Microsoft): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
05/13/2025 🔍05/13/2025 🔍
05/13/2025 🔍
03/17/2026 🔍
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2025-29963 (🔍)
GCVE (CVE): GCVE-0-2025-29963
GCVE (VulDB): GCVE-100-308679
EUVD: 🔍
CERT Bund: WID-SEC-2025-1050 - Microsoft Windows Server: Mehrere Schwachstellen ermöglichen Privilegieneskalation
scip Labs: https://www.scip.ch/en/?labs.20161215
Entry
Created: 05/13/2025 19:24Updated: 03/17/2026 04:10
Changes: 05/13/2025 19:24 (32), 05/13/2025 19:28 (37), 05/14/2025 03:37 (1), 03/17/2026 04:10 (8)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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