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Fencer Intel
high 7.5

CVE-2018-0777 in the critical feed json

Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to execute arbitrary code in the cont…

published 2018-01-04 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-1585

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
78.4%
EPSS 78.4% chance of exploitation in 30 days, percentile 99.5%
public exploits
1
Exploit-DB

Summary

Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0758, CVE-2018-0762, CVE-2018-0768, CVE-2018-0769, CVE-2018-0770, CVE-2018-0772, CVE-2018-0773, CVE-2018-0774, CVE-2018-0775, CVE-2018-0776, CVE-2018-0778, and CVE-2018-0781.

Patch / fix

  • microsoft chakracore 1.7.6

Timeline

  1. Published
  2. First public exploit (EDB-43718)

Exploit prediction

78.43% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-43718 Microsoft Edge Chakra JIT - Out-of-Bounds Write dos, 2018-01-17

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 7.6 AV:N/AC:H/Au:N/C:C/I:C/A:C

Affected products

  • Microsoft Corporation Microsoft Edge

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.