CVE DATABASE / CVE-2017-8570
CVE-2017-8570
Microsoft Office Remote Code Execution Vulnerability
CVSS 7.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-02-25.
Federal remediation due 2022-08-25.
Required action: Apply updates per vendor instructions.
Summary
Microsoft Office allows a remote code execution vulnerability due to the way that it handles objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0243.
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Affected products
Microsoft office
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References
- http://www.securityfocus.com/bid/99445
- https://github.com/ParsingTeam/ppsx-file-generator
- https://github.com/rxwx/CVE-2017-8570
- https://github.com/tezukanice/Office8570
- https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8570
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8570
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.