CVE-2025-32716: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1809
Out-of-bounds read in Windows Media allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
CVE-2025-32716 is a high-severity vulnerability identified in Microsoft Windows 10 Version 1809 (build 10.0.17763.0). The flaw is classified as an out-of-bounds read (CWE-125) within the Windows Media component. This vulnerability allows an authorized local attacker to perform an out-of-bounds memory read, which can lead to privilege escalation on the affected system. Specifically, the attacker must have local access and some level of privileges (low-level privileges) to exploit this vulnerability, as indicated by the CVSS vector (PR:L). No user interaction is required for exploitation, and the attack complexity is low (AC:L). The vulnerability impacts confidentiality, integrity, and availability, all rated high, meaning the attacker can potentially read sensitive memory contents, alter system state, and cause system instability or crashes. The vulnerability scope is unchanged (S:U), meaning the impact is limited to the vulnerable component on the local system. Although no known exploits are currently reported in the wild, the high CVSS score of 7.8 and the nature of the vulnerability suggest that exploitation could lead to significant local privilege escalation, enabling attackers to gain SYSTEM-level privileges from a lower privileged context. This could facilitate further attacks such as persistence, lateral movement, or deployment of malware. The lack of available patches at the time of publication increases the urgency for mitigation and monitoring.
Potential Impact
For European organizations, this vulnerability poses a significant risk, particularly for enterprises and government agencies that still operate legacy Windows 10 Version 1809 systems. Successful exploitation could allow attackers with local access—such as malicious insiders, compromised user accounts, or attackers leveraging other footholds—to escalate privileges and gain full control over affected machines. This could lead to unauthorized access to sensitive data, disruption of critical services, and potential lateral movement within corporate networks. Given that Windows 10 1809 is an older version, some organizations may not have fully migrated to newer supported versions, especially in sectors with strict regulatory environments or legacy system dependencies. The confidentiality, integrity, and availability impacts are all high, meaning sensitive personal data protected under GDPR could be exposed or manipulated, leading to compliance violations and reputational damage. Additionally, the vulnerability could be leveraged in targeted attacks against critical infrastructure or high-value targets in Europe, increasing the potential for operational disruption and economic impact.
Mitigation Recommendations
Organizations should prioritize upgrading affected systems to a supported and patched version of Windows 10 or later. If immediate upgrade is not feasible, implement strict access controls to limit local user privileges and reduce the number of users with local login rights on vulnerable systems. Employ application whitelisting and endpoint detection and response (EDR) solutions to monitor for suspicious activity indicative of privilege escalation attempts. Regularly audit and harden Windows Media components and related services to minimize attack surface. Network segmentation should be enforced to contain potential compromises. Additionally, organizations should maintain up-to-date backups and incident response plans tailored to privilege escalation scenarios. Monitoring Windows event logs for unusual privilege escalation events can provide early detection. Since no patches are currently available, organizations should stay alert for vendor updates and apply them promptly once released.
Affected Countries
Germany, France, United Kingdom, Italy, Spain, Netherlands, Poland, Belgium, Sweden, Austria
CVE-2025-32716: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1809
Description
Out-of-bounds read in Windows Media allows an authorized attacker to elevate privileges locally.
AI-Powered Analysis
Technical Analysis
CVE-2025-32716 is a high-severity vulnerability identified in Microsoft Windows 10 Version 1809 (build 10.0.17763.0). The flaw is classified as an out-of-bounds read (CWE-125) within the Windows Media component. This vulnerability allows an authorized local attacker to perform an out-of-bounds memory read, which can lead to privilege escalation on the affected system. Specifically, the attacker must have local access and some level of privileges (low-level privileges) to exploit this vulnerability, as indicated by the CVSS vector (PR:L). No user interaction is required for exploitation, and the attack complexity is low (AC:L). The vulnerability impacts confidentiality, integrity, and availability, all rated high, meaning the attacker can potentially read sensitive memory contents, alter system state, and cause system instability or crashes. The vulnerability scope is unchanged (S:U), meaning the impact is limited to the vulnerable component on the local system. Although no known exploits are currently reported in the wild, the high CVSS score of 7.8 and the nature of the vulnerability suggest that exploitation could lead to significant local privilege escalation, enabling attackers to gain SYSTEM-level privileges from a lower privileged context. This could facilitate further attacks such as persistence, lateral movement, or deployment of malware. The lack of available patches at the time of publication increases the urgency for mitigation and monitoring.
Potential Impact
For European organizations, this vulnerability poses a significant risk, particularly for enterprises and government agencies that still operate legacy Windows 10 Version 1809 systems. Successful exploitation could allow attackers with local access—such as malicious insiders, compromised user accounts, or attackers leveraging other footholds—to escalate privileges and gain full control over affected machines. This could lead to unauthorized access to sensitive data, disruption of critical services, and potential lateral movement within corporate networks. Given that Windows 10 1809 is an older version, some organizations may not have fully migrated to newer supported versions, especially in sectors with strict regulatory environments or legacy system dependencies. The confidentiality, integrity, and availability impacts are all high, meaning sensitive personal data protected under GDPR could be exposed or manipulated, leading to compliance violations and reputational damage. Additionally, the vulnerability could be leveraged in targeted attacks against critical infrastructure or high-value targets in Europe, increasing the potential for operational disruption and economic impact.
Mitigation Recommendations
Organizations should prioritize upgrading affected systems to a supported and patched version of Windows 10 or later. If immediate upgrade is not feasible, implement strict access controls to limit local user privileges and reduce the number of users with local login rights on vulnerable systems. Employ application whitelisting and endpoint detection and response (EDR) solutions to monitor for suspicious activity indicative of privilege escalation attempts. Regularly audit and harden Windows Media components and related services to minimize attack surface. Network segmentation should be enforced to contain potential compromises. Additionally, organizations should maintain up-to-date backups and incident response plans tailored to privilege escalation scenarios. Monitoring Windows event logs for unusual privilege escalation events can provide early detection. Since no patches are currently available, organizations should stay alert for vendor updates and apply them promptly once released.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-04-09T20:06:59.967Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 68487f501b0bd07c39389add
Added to database: 6/10/2025, 6:54:08 PM
Last enriched: 7/17/2025, 9:04:33 PM
Last updated: 8/6/2025, 6:21:08 PM
Views: 17
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