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Fencer Intel
high 7.5

CVE-2017-11890 in the critical feed json

Microsoft Windows 7 SP1, Windows Server 2008 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511,…

published 8y ago modified 4mo ago also EUVD-2017-3484

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
50.1%
EPSS 50.1% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

Microsoft Windows 7 SP1, Windows Server 2008 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allow an attacker to execute arbitrary code in the context of the current user, due to how Internet Explorer handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11886, CVE-2017-11889, CVE-2017-11893, CVE-2017-11894, CVE-2017-11895, CVE-2017-11901, CVE-2017-11903, CVE-2017-11905, CVE-2017-11907, CVE-2017-11908, CVE-2017-11909, CVE-2017-11910, CVE-2017-11911, CVE-2017-11912, CVE-2017-11913, CVE-2017-11914, CVE-2017-11916, CVE-2017-11918, and CVE-2017-11930.

Patch / fix

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Timeline

  1. Published
  2. First public exploit (EDB-43369)

Exploit prediction

50.05% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-43369 Microsoft Windows - 'jscript!RegExpComp::Compile' Heap Overflow Through IE or Local Network via WPAD dos, 2017-12-19

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 Internet Explorer

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.