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CVE-2017-8522

27
FAUCET Score

CVE-2017-8522 is a scripting engine memory corruption vulnerability affecting Microsoft Edge and Internet Explorer on various Windows operating systems, including Windows 8.1, 10, and Server versions. An attacker could exploit this by tricking a user into visiting a malicious website, leading to arbitrary code execution in the context of the current user. With a CVSS score of 7.5 (High), this vulnerability has a network attack vector, high impact on confidentiality, integrity, and availability, but requires user interaction and has high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
11CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*
10CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
8.21%
Probability of exploitation in next 30 days
EPSS Percentile
94.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0822 is in the 64th percentile among its peer group of 1,572 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.4 Bluesky, 0.2 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.6 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (47)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 10486-10951
View patch
microsoftpatch availablevia msrc
Product: 10486-10952
View patch
microsoftpatch availablevia msrc
Product: 10486-10729
View patch
microsoftpatch availablevia msrc
Product: 10486-10735
View patch
microsoftpatch availablevia msrc
Product: 10486-10789
View patch
microsoftpatch availablevia msrc
Product: 10486-10788
View patch
microsoftpatch availablevia msrc
Product: 10486-10852
View patch
microsoftpatch availablevia msrc
Product: 10486-10853
View patch
microsoftpatch availablevia msrc
Product: 10486-10816
View patch
microsoftpatch availablevia msrc
Product: 10486-10481
View patch
microsoftpatch availablevia msrc
Product: 10486-10482
View patch
microsoftpatch availablevia msrc
Product: 10486-10484
microsoftpatch availablevia msrc
Product: 10486-10483
View patch
microsoftpatch availablevia msrc
Product: 10555-10378
View patch
microsoftpatch availablevia msrc
Product: 10724-10951
View patch
microsoftpatch availablevia msrc
Product: 10724-10952
View patch
microsoftpatch availablevia msrc
Product: 10724-10729
View patch
microsoftpatch availablevia msrc
Product: 10724-10735
View patch
microsoftpatch availablevia msrc
Product: 10724-10789
View patch
microsoftpatch availablevia msrc
Product: 10724-10788
View patch
microsoftpatch availablevia msrc
Product: 10724-10852
View patch
microsoftpatch availablevia msrc
Product: 10724-10853
View patch
microsoftpatch availablevia msrc
Product: 10724-10816
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1511 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1511 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows Server 2016
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows RT 8.1
microsoftpatch availablevia msrc
Product: Internet Explorer 11 on Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Internet Explorer 10 on Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows Server 2016
View patch

Vendor Advisories (1)

microsoft2017-Jun/CVE-2017-8522Critical

Scripting Engine Memory Corruption Vulnerability

Jun 13, 2017

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2017-8522
PatchVendor Advisory
securityfocus.com / bid/98926
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038673
Third Party AdvisoryVDB Entry