Buffer overflow in Microsoft Office

CVE-2017-8630

Microsoft Office 2016 allows a remote code execution vulnerability when it fails to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8631, CVE-2017-8632, and CVE-2017-8744.

Vulnerability class: Buffer Overflow

EPSS: 0.203 (97.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-8630?
CVE-2017-8630 is a high-severity vulnerability in Microsoft Office, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-09-13.
How severe is CVE-2017-8630?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2017-8630 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.