CVE-2017-8570
KEVMicrosoft Office Remote Code Execution Vulnerability
Description
A remote code execution vulnerability exists in Microsoft Office software when it fails to properly handle objects in memory.
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 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HPublishedJul 11, 2017
Last modifiedJun 17, 2026
Added to KEVFeb 25, 2022
Remediation dueAug 25, 2022
References
- securityfocus.com/bid/99445Broken LinkThird Party Advisory
- github.com/ParsingTeam/ppsx-file-generatorExploitThird Party Advisory
- github.com/rxwx/CVE-2017-8570Third Party Advisory
- github.com/tezukanice/Office8570ExploitThird Party Advisory
- portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8570PatchVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-8570US Government Resource
0 recent articles mention this CVE
78
Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1524 days
- CVSS
- 7.8 HIGH
- EPSS (30-day exploit probability)
- 89.9% · top 1% of all CVEs
- Weakness
- NVD-CWE-noinfo
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.