CVE-2021-28455
Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability
Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- 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
Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability
Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability
- Record
CVE-2021-28455- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-15134
Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability
- Record
EUVD-2021-15134- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2m6v-mggf-5f9g
Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability
Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability
- Record
GHSA-2m6v-mggf-5f9g- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability
- Record
CVE-2021-28455- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Updated
- 2026-11-02
Affected products
- microsoft 365 apps
- microsoft 365 apps for enterprise
- microsoft access 2013 service pack 1 (32-bit editions)
- microsoft access 2013 service pack 1 (64-bit editions)
- microsoft access 2016 (32-bit edition)
- microsoft access 2016 (64-bit edition)
- microsoft office 2013 service pack 1
- microsoft office 2016
- microsoft office 2019
- microsoft office
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
Show 27 moreShow less
- microsoft windows 10 version 1803
- microsoft windows 10 version 1809
- microsoft windows 10 version 1909
- microsoft windows 10 version 2004
- microsoft windows 10 version 20h2
- microsoft windows 7
- microsoft windows 7 service pack 1
- microsoft windows 8.1
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 r2 service pack 1
- microsoft windows server 2008 r2 service pack 1 (server core installation)
- microsoft windows server 2008 service pack 2
- microsoft windows server 2008 service pack 2 (server core installation)
- microsoft windows server 2012
- microsoft windows server 2012 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server version 2004
- microsoft windows server version 20h2
- microsoft windows server, version 1909 (server core installation)
- microsoft windows 10
- microsoft windows rt 8.1
- microsoft windows server 2008
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-28455 is a high vulnerability (CVSS 8.8) in Microsoft 365 Apps, published May 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.12%, the 81st percentile. No source names a fixed version.