CVE-2018-8463

mediumpriority · attend · 45EPSS 0.154 · 97 %ileexploit · functionalEURUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · functional
Likely / severe?
15.4% (97th) EPSS
CVSS 4.3 · medium
Is it mine?
4 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka "Microsoft Edge Elevation of Privilege Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8469.

01

cvss

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

7.4
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.4

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9
v3.07.4highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 4
v3.06.8mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.14.3mediumAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264US
03

exploits (1)

Public proof-of-concept and weaponised exploit code.

04

affected products (4)

Products and version ranges known to be affected.

05

also known as (4)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bdunvdNVDCVE.orgMITRE
published 2018-09-13modified 2026-06-17
07

references (13)

External citations — patches, advisories, analysis.

scry

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