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CVE-2018-8370

16
FAUCET Score

CVE-2018-8370 is an information disclosure vulnerability in Microsoft Edge, affecting Windows 10 and Windows Server 2016, where the WebAudio Library improperly handles audio requests. This vulnerability has a low CVSS score of 3.1, indicating a network-based attack requiring high attack complexity and user interaction, with a potential impact of limited confidentiality loss. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog. Despite minimal community discussion and media coverage, Microsoft addressed this flaw in their August 2018 Patch Tuesday.

Impacted Technologies

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

CVSS Data

CVSS version used by this source: 3.0

3.1LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.57%
Probability of exploitation in next 30 days
EPSS Percentile
90.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0457 is in the 92nd percentile among its peer group of 232 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (23)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 10724-10951
View patch
microsoftpatch availablevia msrc
Product: 10724-10952
View patch
microsoftpatch availablevia msrc
Product: 10724-11497
View patch
microsoftpatch availablevia msrc
Product: 10724-11498
View patch
microsoftpatch availablevia msrc
Product: 10724-11453
View patch
microsoftpatch availablevia msrc
Product: 10724-11454
View patch
microsoftpatch availablevia msrc
Product: 10724-10729
View patch
microsoftpatch availablevia msrc
Product: 10724-10735
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: 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 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 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 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)

microsoft2018-Aug/CVE-2018-8370Important

Microsoft Edge Information Disclosure Vulnerability

Aug 14, 2018

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-8370
PatchVendor Advisory
securityfocus.com / bid/105019
Third Party AdvisoryVDB Entry
securitytracker.com / id/1041457
Third Party AdvisoryVDB Entry