November 3, 2021 · Applied Cybernetics Group
CVE-2017-11882 — Microsoft Office
known ransomware use
Microsoft Office Memory Corruption Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- Microsoft
- Product
- Office
- EPSS
- 100.0th percentile (score 0.999, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1059 , T1566.001 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2017-11882
CISA short description
Microsoft Office contains a memory corruption vulnerability that allows remote code execution in the context of the current user.
Required action
Apply updates per vendor instructions.