What is CVE-2017-0022?

CVE-2017-0022 is a medium-severity vulnerability in Microsoft Windows 10 1507, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2017-03-17.

How severe is CVE-2017-0022?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2017-0022 known to be exploited?

Yes. CVE-2017-0022 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-24), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.

Buffer overflow in Microsoft Windows 10 1507

CVE-2017-0022

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."

Vulnerability class: Buffer Overflow

Published 2017-03-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.181 (97.2th percentile), scored 2026-10-19.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.181 · newest: 0.181 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-05-24. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-06-14.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www.securityfocus.com/bid/96069 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
0patch.blogspot.com/2017/09/exploit-kit-rendezvous-and-cve-2017-0022.html (Exploit)
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0022 (Patch, Vendor Advisory)
www.securitytracker.com/id/1038014 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2017-0022?: CVE-2017-0022 is a medium-severity vulnerability in Microsoft Windows 10 1507, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2017-03-17.
How severe is CVE-2017-0022?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-0022 known to be exploited?: Yes. CVE-2017-0022 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-24), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.