How severe is CVE-2017-0199?

CVE-2017-0199 has a CVSS score of 7.8/10, rated HIGH. Immediate patching is strongly recommended.

Which packages are affected by CVE-2017-0199?

Affected package information for CVE-2017-0199 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2017-0199?

No fixed version has been published for CVE-2017-0199 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2017-0199 actively exploited in the wild?

Yes. There are 31 known exploit references for CVE-2017-0199, including 3 documented proof-of-concept exploits on Exploit-DB and 21 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2017-0199?

CVE-2017-0199 has an EPSS (Exploit Prediction Scoring System) score of 94.3%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2017-0199 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2017-0199 (Microsoft Office and WordPad Remote Code Execution Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2021-11-03. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-05-03. The required action was: Apply updates per vendor instructions. This CVE has been used in known ransomware campaigns. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

Which products and versions are affected by CVE-2017-0199?

CVE-2017-0199 affects microsoft office (4 versions, e.g. 2007, 2010, 2013…); microsoft windows 7; microsoft windows server 2008 (1 version, e.g. r2); microsoft windows server 2012, and 2 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2017-0199 published, and has it been updated?

CVE-2017-0199 was published on April 12, 2017 and was last updated on April 22, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2021-11-03 — agencies required to remediate by 2022-05-03 · Ransomware

CVE-2017-0199

HIGH

Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Windows Vista SP2, Windows Server 2008 SP2, Windows 7 SP1, Windows…

Published

Apr 12, 2017

Updated

Apr 22, 2026

Affected

0 pkgs

Patched

None yet

Exploits

31 known

EPSS Exploitation Probability

via FIRST.org ↗

94.3%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Windows Vista SP2, Windows Server 2008 SP2, Windows 7 SP1, Windows 8.1 allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office/WordPad Remote Code Execution Vulnerability w/Windows API."

Affected Products

6 products · 11 configurations

Application

officemicrosoft

4 versions

2007201020132016

windows 7microsoft

all

windows server 2008microsoft

1 version

windows server 2012microsoft

all

windows vistamicrosoft

all

Application

intellispace portalphilips

2 versions

7.08.0

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-42995doswindows

Microsoft Excel - OLE Arbitrary Code Execution

by Eduardo Braun Prado · Sep 30, 2017

Exploit-DB Source

EDB-41894remotewindows

Microsoft Word - '.RTF' Remote Code Execution

by Bhadresh Patel · Apr 18, 2017

Exploit-DB Source

EDB-41934remotewindows✓ Verified

Microsoft Office Word - '.RTF' Malicious HTA Execution (Metasploit)

by Metasploit · Apr 25, 2017

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2017-0199 in your stack?

O3 detects CVE-2017-0199 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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