Description
Microsoft Excel Security Feature Bypass Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 – < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Excel 2013 Service Pack 1 | 15.0.0.0 – < 15.0.5397.1001 | 15.0.5397.1001 |
| Microsoft | Microsoft Excel 2016 | 16.0.0.0 – < 16.0.5239.1001 | 16.0.5239.1001 |
| Microsoft | Microsoft Office 2013 Service Pack 1 | 15.0.0 – < 15.0.5397.1001 | 15.0.5397.1001 |
| Microsoft | Microsoft Office 2016 | 16.0.0 – < 16.0.5239.1001 | 16.0.5239.1001 |
| Microsoft | Microsoft Office 2019 | 19.0.0 – < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office 2019 for Mac | 16.0.0 – < 16.55.21111400 | 16.55.21111400 |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 – < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1 – < 16.55.21111400 | 16.55.21111400 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
corelight/CVE-2021-42292 ★ 19 · Nov 9, 2021
A Zeek package to detect CVE-2021-42292, a Microsoft Excel local privilege escalation exploit.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- MSRC-CVE-2021-42292 Microsoft Excel Security Feature Bypass Vulnerability Microsoft Security Response Center · Nov 16, 2021
References
- Microsoft Excel Security Feature Bypass Vulnerability vendor-advisory patch