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CVE-2017-0252

36
FAUCET Score

CVE-2017-0252 is a critical remote code execution vulnerability affecting Microsoft Edge, stemming from a memory corruption flaw in the Chakra Core JavaScript engine. With a CVSS score of 9.8, it allows unauthenticated attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability, requiring no user interaction. Despite its severity and high FAUCET Risk Score, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

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

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
13.38%
Probability of exploitation in next 30 days
EPSS Percentile
96.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1338 is in the 92nd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
nugetpatch availablevia ghsa
Product: Microsoft.ChakraCoreFixed in: 1.4.4

Vendor Advisories (1)

nugetGHSA-ghwq-7v3r-5433critical

ChakraCore RCE Vulnerability

May 17, 2022

References

github.com / Microsoft/ChakraCore/pull/2959
PatchThird Party Advisory