CVE-2021-28455 Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability
Attackers can execute arbitrary code by exploiting a vulnerability in the Microsoft Jet Red Database Engine and Access Connectivity Engine.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-28455?
CVE-2021-28455 is a high-severity code injection vulnerability in Microsoft 365 Apps, published on 11 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vulnerability
Which versions are affected by CVE-2021-28455?
It affects 10 products.
Products include Microsoft 365 Apps, Microsoft Office, Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1 and 4 more.
How do I fix CVE-2021-28455?
No fix has been published for CVE-2021-28455 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2021-28455 being exploited?
There is no known exploitation of CVE-2021-28455 in the wild and no public exploit code.
Other vulnerabilities in Microsoft 365 Apps
- CVE-2024-21413 Microsoft Outlook Improper Input Validation
- CVE-2023-23397 Microsoft Office Outlook Privilege Escalation
- CVE-2024-38189 Microsoft Project Remote Code Execution Vulnerability
- CVE-2023-35311 Microsoft Outlook Security Feature Bypass
- CVE-2026-21514 Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision
Sources
Also known as GHSA-2m6v-mggf-5f9g.