How severe is CVE-2017-0022?

CVE-2017-0022 has a CVSS score of 6.5/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2017-0022?

Affected package information for CVE-2017-0022 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2017-0022?

No fixed version has been published for CVE-2017-0022 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-2017-0022 actively exploited in the wild?

Yes. There are 4 known exploit references for CVE-2017-0022, including 4 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-2017-0022?

CVE-2017-0022 has an EPSS (Exploit Prediction Scoring System) score of 36.7%, placing it in the 97th 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. This score warrants monitoring and prompt remediation.

Is CVE-2017-0022 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2017-0022 (Microsoft XML Core Services Information Disclosure Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2022-05-24. CISA required all US federal civilian agencies to remediate this vulnerability by 2022-06-14. The required action was: Apply updates per vendor instructions. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2017-0022?

CVE-2017-0022 is classified as Buffer Overflow (CWE-119). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

Which products and versions are affected by CVE-2017-0022?

CVE-2017-0022 affects microsoft windows 8.1; microsoft windows server 2008 (1 version, e.g. r2); microsoft windows server 2012 (1 version, e.g. r2); microsoft xml core services (1 version, e.g. 3.0). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2017-0022 published, and has it been updated?

CVE-2017-0022 was published on March 17, 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 2022-05-24 — agencies required to remediate by 2022-06-14

CVE-2017-0022

MEDIUM

Microsoft XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; Windows 7 SP1; Windows 8.1; Windows RT 8.1; Windows Server 2008 SP2 and R2 SP1; Windows Server 2012 Gold and…

Published

Mar 17, 2017

Updated

Apr 22, 2026

Affected

0 pkgs

Patched

None yet

Exploits

4 known

EPSS Exploitation Probability

via FIRST.org ↗

36.7%probability of exploitation in next 30 days

Moderate Risk97th 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 XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; Windows 7 SP1; Windows 8.1; Windows RT 8.1; Windows Server 2008 SP2 and R2 SP1; Windows Server 2012 Gold and R2; Windows Server 2016; and Windows Vista SP2 improperly handles objects in memory, allowing attackers to test for files on disk via a crafted web site, aka "Microsoft XML Information Disclosure Vulnerability."

Affected Products

4 products · 5 configurations

windows 8.1microsoft

all

windows server 2008microsoft

1 version

windows server 2012microsoft

1 version

Application

xml core servicesmicrosoft

1 version

3.0

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.

Microsoft XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; …

portal.msrc.microsoft.comMSApr 2017

Microsoft XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; …

docs.microsoft.comGoogle-sheetMar 2017

Microsoft XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; …

cisa.govCISAMay 2022

Microsoft XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; …

0patch.blogspot.comNVDJul 2024

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2017-0022 in your stack?

O3 detects CVE-2017-0022 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works

CVSS Score

6.5/10

CVSS v3 base score

Vector breakdown

AV:Attack Vector

Network

AC:Attack Complexity

Low

PR:Privileges Required

None

UI:User Interaction

Required

S:Scope

Unchanged

C:Confidentiality

High

I:Integrity

None

A:Availability

None

Raw vector

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

CWE Classification

CWE-119Buffer Overflow

Weaponization

No known public exploit tooling found.

Timeline

Disclosed

Mar 17, 2017

First exploit

Apr 14, 2017

KEV added

May 24, 2022

Last updated

Apr 22, 2026

Identifiers

CVE-2017-0022

References

Advisorysecurityfocus.com Advisorysecuritytracker.com Advisorysecurityfocus.com Advisorysecuritytracker.com Fixportal.msrc.microsoft.com Fixportal.msrc.microsoft.com Exploit / PoC0patch.blogspot.com Exploit / PoC0patch.blogspot.com Webcisa.gov

Data from OSV.dev, enriched by O3 Security. Refreshed hourly.