CVE-2025-48823 in Windows
Summary
by MITRE • 07/08/2025
Cryptographic issues in Windows Cryptographic Services allows an unauthorized attacker to disclose information over a network.
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Analysis
by VulDB Data Team • 02/14/2026
The vulnerability identified as CVE-2025-48823 resides within the Windows Cryptographic Services component, specifically targeting cryptographic implementations that govern secure communications and data protection mechanisms. This issue represents a significant weakness in the operating system's cryptographic infrastructure that could potentially be exploited by malicious actors to gain unauthorized access to sensitive information transmitted over network channels. The flaw manifests in how cryptographic services handle certain data processing operations, creating opportunities for information disclosure attacks that could compromise the confidentiality of network communications.
This cryptographic weakness falls under the broader category of improper implementation of cryptographic protocols, which is classified as CWE-310 in the Common Weakness Enumeration framework. The vulnerability stems from inadequate handling of cryptographic operations within Windows Cryptographic Services, potentially allowing attackers to extract sensitive data through network-based reconnaissance and exploitation techniques. The flaw specifically impacts the secure transmission of information and could enable adversaries to intercept and analyze cryptographic communications that should remain protected.
From an operational perspective, this vulnerability presents a substantial risk to enterprise environments where Windows systems handle sensitive data exchanges and secure communications. Attackers could leverage this weakness to perform man-in-the-middle attacks, decrypt intercepted network traffic, or extract cryptographic keys and certificates that are essential for maintaining secure communications. The impact extends beyond individual system compromises to potentially affect entire network infrastructures where cryptographic services are relied upon for data protection and authentication mechanisms.
The exploitation of CVE-2025-48823 aligns with techniques documented in the MITRE ATT&CK framework under the T1046 and T1566 tactics, which focus on network service scanning and credential access through network-based attacks. Organizations utilizing Windows systems with affected cryptographic services could face severe consequences including data breaches, intellectual property theft, and compliance violations that could result in significant financial and reputational damage. The vulnerability particularly affects environments where secure communications protocols such as TLS, SSL, and other cryptographic implementations are extensively used.
Mitigation strategies for this vulnerability should prioritize immediate patch deployment through Microsoft's security updates, as recommended in the official Microsoft Security Response Center guidance. Network administrators should implement additional monitoring and detection measures to identify potential exploitation attempts, while also reviewing and strengthening cryptographic configurations across affected systems. Organizations should conduct comprehensive vulnerability assessments to identify all systems running vulnerable versions of Windows Cryptographic Services and establish robust incident response procedures to address potential exploitation attempts. The remediation process should also include reviewing certificate management practices and ensuring proper key rotation procedures are in place to minimize the impact of any potential information disclosure events.