CVE-2020-1547
Windows Backup Engine Elevation of Privilege Vulnerability
An elevation of privilege vulnerability exists when the Windows Backup Engine improperly handles memory. 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 Engine handles memory.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows Backup Engine Elevation of Privilege Vulnerability
An elevation of privilege vulnerability exists when the Windows Backup Engine improperly handles memory. 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 Engine handles memory.
- Record
CVE-2020-1547- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2020-12421
An elevation of privilege vulnerability exists when the Windows Backup Engine improperly handles memory. 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 Engine handles memory.
- Record
EUVD-2020-12421- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6v82-h24c-ccc8
An elevation of privilege vulnerability exists when the Windows Backup Engine improperly handles...
An elevation of privilege vulnerability exists when the Windows Backup Engine improperly handles memory.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Backup Engine Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-1535, CVE-2020-1536, CVE-2020-1539, CVE-2020-1540, CVE-2020-1541, CVE-2020-1542, CVE-2020-1543, CVE-2020-1544, CVE-2020-1545, CVE-2020-1546, CVE-2020-1551.
- Record
GHSA-6v82-h24c-ccc8- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
An elevation of privilege vulnerability exists when the Windows Backup Engine improperly handles memory. 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 Engine handles memory.
- Record
CVE-2020-1547- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-1547
An elevation of privilege vulnerability exists when the Windows Backup Engine improperly handles memory. 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 Engine handles memory.
- Record
UBUNTU-CVE-2020-1547- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
- microsoft windows 10 version 1709
- microsoft windows 10 version 1709 for 32-bit systems
- microsoft windows 10 version 1803
- microsoft windows 10 version 1809
- microsoft windows 10 version 1903 for 32-bit systems
- microsoft windows 10 version 1903 for arm64-based systems
- microsoft windows 10 version 1903 for x64-based systems
- microsoft windows 10 version 1909
- microsoft windows 10 version 2004
- microsoft windows 7
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mysql-5.5Ubuntu:14.04:LTS |
All versions, plus listed versions 5.5.32-0ubuntu75.5.34-0ubuntu15.5.34-0ubuntu25.5.35-0ubuntu15.5.35+dfsg-1ubuntu1 Show 20 moreShow less5.5.37-0ubuntu0.14.04.15.5.38-0ubuntu0.14.04.15.5.40-0ubuntu0.14.04.15.5.41-0ubuntu0.14.04.15.5.43-0ubuntu0.14.04.15.5.44-0ubuntu0.14.04.15.5.46-0ubuntu0.14.04.25.5.47-0ubuntu0.14.04.15.5.49-0ubuntu0.14.04.15.5.50-0ubuntu0.14.04.15.5.52-0ubuntu0.14.04.15.5.53-0ubuntu0.14.04.15.5.54-0ubuntu0.14.04.15.5.55-0ubuntu0.14.04.15.5.57-0ubuntu0.14.04.15.5.58-0ubuntu0.14.04.15.5.59-0ubuntu0.14.04.15.5.60-0ubuntu0.14.04.15.5.61-0ubuntu0.14.04.15.5.62-0ubuntu0.14.04.1 |
None known |
mysql-5.7Ubuntu:16.04:LTS |
before 5.7.27-0ubuntu0.16.04.1, plus listed versions 5.7.11-0ubuntu45.7.11-0ubuntu55.7.11-0ubuntu65.7.12-0ubuntu15.7.12-0ubuntu1.1 Show 14 moreShow less5.7.13-0ubuntu0.16.04.25.7.15-0ubuntu0.16.04.15.7.16-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.15.7.17-0ubuntu0.16.04.25.7.18-0ubuntu0.16.04.15.7.19-0ubuntu0.16.04.15.7.20-0ubuntu0.16.04.15.7.21-0ubuntu0.16.04.15.7.22-0ubuntu0.16.04.15.7.23-0ubuntu0.16.04.15.7.24-0ubuntu0.16.04.15.7.25-0ubuntu0.16.04.25.7.26-0ubuntu0.16.04.1 |
5.7.27-0ubuntu0.16.04.1 |
mariadb-10.0Ubuntu:16.04:LTS |
All versions, plus listed versions 10.0.20-0ubuntu0.15.04.110.0.22-0ubuntu110.0.23-110.0.23-210.0.24-7 Show 9 moreShow less10.0.25-0ubuntu0.16.04.110.0.27-0ubuntu0.16.04.110.0.28-0ubuntu0.16.04.110.0.29-0ubuntu0.16.04.110.0.31-0ubuntu0.16.04.210.0.33-0ubuntu0.16.04.110.0.34-0ubuntu0.16.04.110.0.36-0ubuntu0.16.04.110.0.38-0ubuntu0.16.04.1 |
None known |
percona-server-5.6Ubuntu:16.04:LTS |
All versions, plus listed versions 5.6.22-rel71.0-0ubuntu25.6.22-rel71.0-0ubuntu45.6.22-rel71.0-0ubuntu4.1 |
None known |
percona-xtradb-cluster-5.6Ubuntu:16.04:LTS |
All versions, plus listed versions 5.6.21-25.8-0ubuntu25.6.21-25.8-0ubuntu35.6.21-25.8-0ubuntu3.15.6.21-25.8-0ubuntu3.25.6.34-26.19-0ubuntu0.16.04.15.6.34-26.19-0ubuntu0.16.04.25.6.37-26.21-0ubuntu0.16.04.15.6.37-26.21-0ubuntu0.16.04.2 |
None known |
mysql-5.7Ubuntu:18.04:LTS |
before 5.7.27-0ubuntu0.18.04.1, plus listed versions 5.7.19-0ubuntu15.7.20-0ubuntu0.17.10.15.7.20-1ubuntu15.7.21-1ubuntu15.7.22-0ubuntu18.04.1 Show 4 moreShow less5.7.23-0ubuntu0.18.04.15.7.24-0ubuntu0.18.04.15.7.25-0ubuntu0.18.04.25.7.26-0ubuntu0.18.04.1 |
5.7.27-0ubuntu0.18.04.1 |
mariadb-10.1Ubuntu:18.04:LTS |
All versions, plus listed versions 10.1.25-11:10.1.29-61:10.1.34-0ubuntu0.18.04.11:10.1.38-0ubuntu0.18.04.11:10.1.38-0ubuntu0.18.04.2 Show 6 moreShow less1:10.1.40-0ubuntu0.18.04.11:10.1.41-0ubuntu0.18.04.11:10.1.43-0ubuntu0.18.04.11:10.1.44-0ubuntu0.18.04.11:10.1.47-0ubuntu0.18.04.11:10.1.48-0ubuntu0.18.04.1 |
None known |
mysql-8.0Ubuntu:20.04:LTS |
before 8.0.19-0ubuntu4, plus listed versions 8.0.17-0ubuntu28.0.17-0ubuntu38.0.18-0ubuntu38.0.18-0ubuntu48.0.18-0ubuntu58.0.19-0ubuntu28.0.19-0ubuntu3 |
8.0.19-0ubuntu4 |
mariadb-10.3Ubuntu:20.04:LTS |
All versions, plus listed versions 1:10.3.17-11:10.3.18-11:10.3.19-11:10.3.21-21:10.3.22-1 Show 10 moreShow less1:10.3.22-1ubuntu11:10.3.25-0ubuntu0.20.04.11:10.3.29-0ubuntu0.20.04.11:10.3.30-0ubuntu0.20.04.11:10.3.31-0ubuntu0.20.04.11:10.3.32-0ubuntu0.20.04.11:10.3.34-0ubuntu0.20.04.11:10.3.37-0ubuntu0.20.04.11:10.3.38-0ubuntu0.20.04.11:10.3.39-0ubuntu0.20.04.2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1547 is a high vulnerability (CVSS 7.8) in Microsoft Windows 10 Version 1507, published August 17, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. Fixed in mysql-5.7 5.7.27-0ubuntu0.16.04.1.