CVE-2025-47968
Published: 10 June 2025
Summary
CVE-2025-47968 is a high-severity Improper Input Validation (CWE-20) vulnerability in Microsoft Autoupdate. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 25.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Improper input validation in Microsoft AutoUpdate (MAU) is the root cause of CVE-2025-47968, a vulnerability assigned CWE-20 and published on 2025-06-10. The affected component is the MAU client running on supported Windows systems, carrying a CVSS 3.1 base score of 7.8 that reflects local attack vector, low attack complexity, and low privileges required.
An authorized local attacker can supply crafted input to the update component and thereby escalate privileges on the host, resulting in full control over confidentiality, integrity, and availability of the system without user interaction.
The Microsoft Security Response Center advisory published at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47968 describes available patches and configuration guidance for administrators. The associated EPSS score remains low, with a recorded peak of 0.0144 and current value of 0.0083.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-17718
Vulnerability details
Improper input validation in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.
Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.
Directly implements checks on information inputs to reject invalid data before processing.
Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.