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Fencer Intel
high 8.8

CVE-2015-2419 kev in the critical feed json

JScript 9 in Microsoft Internet Explorer 10 and 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory c…

published 11y ago modified 4mo ago also EUVD-2015-2512

cvss
8.8
version 3.1, CNA
cisa kev
Exploited
added 2022-03-28
epss
53.0%
EPSS 53.0% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

JScript 9 in Microsoft Internet Explorer 10 and 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "JScript9 Memory Corruption Vulnerability."

Patch / fix

cisa required action Apply updates per vendor instructions.

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Timeline

  1. Published
  2. First public exploit (EDB-44743)
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
4y ago
Patch by
2022-04-18 (4y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
Microsoft, Internet Explorer
CISA name
Microsoft Internet Explorer Memory Corruption Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

52.98% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-44743 Microsoft Internet Explorer 11 - javascript Code Execution local, 2016-02-01

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

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.