CVE-2020-1534
Last modified
CVE-2020-1534 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An elevation of privilege vulnerability exists when the Windows Backup Service improperly handles file operations. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Backup Service handles file operations.. EPSS estimates a 2.68% chance of exploitation in the next 30 days.
Description
An elevation of privilege vulnerability exists when the Windows Backup Service improperly handles file operations. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows Backup Service handles file operations.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 10 | 2004 | — |
| 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 2016 | All versions | — |
| Microsoft | Windows Server 2016 | 1903 | — |
| Microsoft | Windows Server 2016 | 1909 | — |
| Microsoft | Windows Server 2016 | 2004 | — |
| Microsoft | Windows Server 2019 | All versions | — |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1534Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1534Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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.
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