CVE-2025-47991
HIGHCVSS 7.8/10EPSS 0.30%
Last modified
CVE-2025-47991 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Use after free in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
Use after free in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | < 10.0.14393.8246 |
| Microsoft | Windows 10 1809 | < 10.0.17763.7558 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.6093 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.6093 |
| Microsoft | Windows 11 22h2 | < 10.0.22621.5624 |
| Microsoft | Windows 11 23h2 | < 10.0.22631.5624 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.4652 |
| Microsoft | Windows Server 2016 | < 10.0.14393.8246 |
| Microsoft | Windows Server 2019 | < 10.0.17763.7558 |
| Microsoft | Windows Server 2022 | < 10.0.20348.3932 |
| Microsoft | Windows Server 2022 23h2 | < 10.0.25398.1732 |
| Microsoft | Windows Server 2025 | < 10.0.26100.4652 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-47991?
Use after free in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
How severe is CVE-2025-47991?
CVE-2025-47991 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2025-47991?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-47985Untrusted pointer dereference in Windows Event Tracing allow…7.8
- CVE-2025-47986Use after free in Universal Print Management Service allows …8.8
- CVE-2025-47987Heap-based buffer overflow in Windows Cred SSProvider Protoc…7.8
- CVE-2025-47988Improper control of generation of code ('code injection') in…7.5
- CVE-2025-47989Improper access control in Azure Connected Machine Agent all…7
- CVE-2025-4799The WP-DownloadManager plugin for WordPress is vulnerable to…7.2
- CVE-2025-47993Improper access control in Microsoft PC Manager allows an au…7.8
- CVE-2025-47994Deserialization of untrusted data in Microsoft Office allows…8.6
- CVE-2025-47995Weak authentication in Azure Machine Learning allows an auth…8.8
- CVE-2025-47996Integer underflow (wrap or wraparound) in Windows MBT Transp…7.8
- CVE-2025-47997Concurrent execution using shared resource with improper syn…5.3
- CVE-2025-47998Heap-based buffer overflow in Windows Routing and Remote Acc…8.8
Are you affected by CVE-2025-47991?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST