CVE-2017-0059
MediumExploitedPublic exploitMicrosoft Internet Explorer 9 through 11 allow remote attackers to obtain sensitive information from process memory via a crafted web site, aka "Internet Explorer Information Disclosure Vulnerability." This vulnerability is different from those described in CVE-2017-0008 and…
Published Mar 16, 2017 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2017-0059 is a medium-severity vulnerability (CVSS 4.3 v3.1) affecting Internet Explorer (Microsoft).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 30, 2017. Public exploit code is available.
- EPSS estimates a 62% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS (30-day exploit likelihood)
62%
Higher than 99.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2017-0059 brief as a PDF
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Description
Microsoft Internet Explorer 9 through 11 allow remote attackers to obtain sensitive information from process memory via a crafted web site, aka "Internet Explorer Information Disclosure Vulnerability." This vulnerability is different from those described in CVE-2017-0008 and CVE-2017-0009.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Mar 28, 2022 | Apr 18, 2022 | Not reported |
| Industry KEV feed | Aug 30, 2017 | Apr 18, 2022 | Not reported |
| CIRCL KEV | Mar 28, 2022 | Apr 18, 2022 | Not reported |
| ENISA EUVD | Mar 28, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Internet ExplorerMicrosoft | 10, 11, 9, >= Internet Explorer 9 through 11 | n/a |
Timeline
Publicly disclosed
Mar 16, 2017
Added to Industry KEV feed
Aug 30, 2017
Added to CISA KEV
Mar 28, 2022
Added to CIRCL KEV
Mar 28, 2022
Added to ENISA EUVD
Mar 28, 2022
Last updated
Apr 22, 2026
References
- advisory96645
- advisory1038008
- patchhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0059
- exploitVulnCheck exploitation report
- exploitExploitDB-41661
FAQ
Common Questions.
Microsoft Internet Explorer 9 through 11 allow remote attackers to obtain sensitive information from process memory via a crafted web site, aka "Internet Explorer Information Disclosure Vulnerability." This vulnerability is different from those described in CVE-2017-0008 and CVE-2017-0009.
Affected: Internet Explorer (Microsoft) versions 10, 11, 9, >= Internet Explorer 9 through 11. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 30, 2017.
Yes. It was added on Mar 28, 2022 with a federal remediation due date of Apr 18, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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