CVE-2020-0635
HIGHCVSS 7.8/10EPSS 1.05%
Last modified
CVE-2020-0635 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0644.. EPSS estimates a 1.05% chance of exploitation in the next 30 days.
Description
An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0644.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Windows 10 | All versions | — |
| Microsoft | Windows 10 | 1607 | — |
| Microsoft | Windows 10 | 1709 | — |
| Microsoft | Windows 10 | 1803 | — |
| Microsoft | Windows 10 | 1809 | — |
| Microsoft | Windows 10 | 1903 | — |
| Microsoft | Windows 10 | 1909 | — |
| Microsoft | Windows 7 | All versions | Sp1 |
| Microsoft | Windows 8.1 | All versions | — |
| Microsoft | Windows Rt 8.1 | All versions | — |
| Microsoft | Windows Server 2008 | All versions | Sp2 |
| Microsoft | Windows Server 2008 | r2 | Sp1 |
| Microsoft | Windows Server 2012 | All versions | — |
| Microsoft | Windows Server 2012 | r2 | — |
| Microsoft | Windows Server 2016 | All versions | — |
| Microsoft | Windows Server 2016 | 1803 | — |
| Microsoft | Windows Server 2016 | 1903 | — |
| Microsoft | Windows Server 2016 | 1909 | — |
| Microsoft | Windows Server 2019 | All versions | — |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0635Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-143/Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0635Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-143/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-0635?
An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0644.
How severe is CVE-2020-0635?
CVE-2020-0635 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.
How do I fix CVE-2020-0635?
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.
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Are you affected by CVE-2020-0635?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST