CVE-2020-1226 in the critical feed json
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka…
published 2020-06-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12105
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 17.5%
- EPSS 17.5% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1225.
Patch / fix
Exploit prediction
17.49% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Microsoft Microsoft 365 Apps for Enterprise for 32-bit Systems
- Microsoft Microsoft 365 Apps for Enterprise for 64-bit Systems
- Microsoft Microsoft Office
- Microsoft Microsoft Excel
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-1226
patch, vendor-advisory
-
talosintelligence.com
/vulnerability_reports/TALOS-2020-1027
third-party-advisory
Sources
- CVE List CVE-2020-1226
- NVD CVE-2020-1226
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.