# CVE-2017-0059: Microsoft Internet Explorer Information Disclosure Vulnerability

Source: https://junglewise.ai/threats/cve-2017-0059-microsoft-internet-explorer-information-disclosure-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-28. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2017-0059 · Severity: critical · CVSS 4.3 · Exploited in the wild · Published 2022-03-28

Microsoft Internet Explorer 9 through 11 allows remote attackers to obtain sensitive information from process memory via a crafted website. This information disclosure vulnerability occurs when the browser fails to properly handle objects in memory.

Technologies: [Microsoft Edge](https://junglewise.ai/threats/technologies/edge), [Microsoft Internet Explorer](https://junglewise.ai/threats/technologies/internet-explorer). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2017-0059 exploited in the wild?** Yes. CVE-2017-0059 is known to be exploited in the wild, first recorded on 28 March 2022. Treat it as urgent.

**How severe is CVE-2017-0059?** Critical severity, with a CVSS score of 4.3, published 28 March 2022.

**Which products and versions are affected?** Microsoft Internet Explorer 9 through 11.

**Is there a fix for CVE-2017-0059?** A patch was published on 2017-03-14: Microsoft released security updates to address the vulnerability Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2017-0059 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2017-0059?** Check whether you run Microsoft Edge or Microsoft Internet Explorer. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Microsoft Internet Explorer 9 through 11

## Timeline

- 2017-03-14: advisory: MSRC advisory published (based on reference URL)
- 2022-03-28: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-03-28: disclosed: NVD publication date
- 2017-03-14: patched: Microsoft released security updates to address the vulnerability
- exploited: Reported as exploited in the wild and listed in CISA KEV catalog.

## Related threats

- [Microsoft Edge out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-122518-out-of-bounds-read-in-microsoft-edge-chromium-based-allows-an)
- [Microsoft Edge privilege escalation via incorrect authorization](https://junglewise.ai/threats/cve-2026-69446-incorrect-authorization-in-microsoft-edge-chromium-based-allows)
- [Microsoft Edge use-after-free privilege elevation](https://junglewise.ai/threats/cve-2026-96203-use-after-free-in-microsoft-edge-chromium-based-allows-an)
- [Microsoft Edge heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-96199-heap-based-buffer-overflow-in-microsoft-edge-chromium-based)
- [Microsoft Edge heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-96198-heap-based-buffer-overflow-in-microsoft-edge-chromium-based)