CVE-2018-8279

highpriority · attend · 65EPSS 0.707 · 99 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

70.7% (99th) EPSS

CVSS 7.6 · high

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory, aka "Microsoft Edge Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8125, CVE-2018-8262, CVE-2018-8274, CVE-2018-8275, CVE-2018-8301.

cvss

Technical severity, 0–10. One row per scoring source.

7.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.6highAV:N/AC:H/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 4.9 · impact 10

v3.07.5highCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9

v3.07.5highCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-843USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-45214Microsoft Edge Chakra JIT - Parameter Scope Parsing Type Confusionfunctional · exploit_db

affected products (9)

Products and version ranges known to be affected.

Microsoft ChakraCore≤ ChakraCoreenisa_euvdEU
Microsoft Microsoft Edge≤ Windows 10 Version 1703 for x64-based Systemsenisa_euvdEU
Microsoft Microsoft Edge≤ Windows 10 Version 1803 for x64-based Systemsenisa_euvdEU
Microsoft Microsoft Edge≤ Windows 10 Version 1709 for 32-bit Systemsenisa_euvdEU
Microsoft Microsoft Edge≤ Windows 10 Version 1709 for x64-based Systemsenisa_euvdEU
Microsoft Microsoft Edge≤ Windows 10 Version 1803 for 32-bit Systemsenisa_euvdEU
Microsoft Microsoft Edge≤ Windows 10 Version 1703 for 32-bit Systemsenisa_euvdEU
microsoft chakracore≤ 1.10.0nvdUScpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*
microsoft edgeall versionsnvdUScpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-07-11modified 2026-06-17

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Type confusion in V8 in Google Chrome prior to 140.0.7339.185 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity:…
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+1194 more

references (13)

External citations — patches, advisories, analysis.

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