high Known exploitedREV. 01

CVE-2017-0199Microsoft Office — Code Execution via Crafted Document

A crafted document makes Microsoft Office fetch and run a remote script the moment it is opened, giving the attacker code execution as whoever opened the file.

YOUR NEXT MOVE

Apply Microsoft's security update for Office and WordPad, then hunt for documents that pull remote content on open.

Read the risk

THE VITAL STATS
CVSS score
7.8/ 10
CVSS v3.1
EPSS probability
100%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2017-04-12
Added to KEV
2021-11-03
Exploit published
Yes
Confidence
medium
Kill chain
execution
MITRE ATT&CK
T1203
Severity
high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attacker needsA user opens the crafted document

Behind the card

5 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-08-07scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-08-07scrty-crds-pipeline/0.1high
epssapi.first.org2026-08-07scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-08-07claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2017-0199 · CRDS 0.1 · Issued 2026-08-07