CVE-2018-0798
CISA KEVPublished November 3, 2021 · Updated April 3, 2026
high
Official Description+
Microsoft Office contains a memory corruption vulnerability due to the way objects are handled in memory. Successful exploitation allows for remote code execution in the context of the current user. This vulnerability is known to be chained with CVE-2018-0802.
Affected Products
| Vendor | Product |
|---|---|
| Microsoft | Office |
Patch Status
Patch by 2022-05-03
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2018-0798.