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Vulnerability Intelligence

CVE-2015-0071

MediumExploitedPublic exploit

Microsoft Internet Explorer 9 through 11 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "Internet Explorer ASLR Bypass Vulnerability."

Published Feb 11, 2015 · Updated Apr 22, 2026

Key Facts

Patch immediately
  • CVE-2015-0071 is a medium-severity vulnerability (CVSS 6.5 v3.1) affecting Internet Explorer (Microsoft).
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 10, 2015. Public exploit code is available.
  • EPSS estimates a 34% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

6.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS (30-day exploit likelihood)

34%

Higher than 98.3% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2015-0071 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Microsoft Internet Explorer 9 through 11 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "Internet Explorer ASLR Bypass Vulnerability."

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVMay 25, 2022Jun 15, 2022Not reported
Industry KEV feedFeb 10, 2015Jun 15, 2022Not reported
CIRCL KEVMay 25, 2022Jun 15, 2022Not reported
ENISA EUVDMay 25, 2022n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
Internet ExplorerMicrosoft10, 11, 9n/a

Timeline

  1. Added to Industry KEV feed

    Feb 10, 2015

  2. Publicly disclosed

    Feb 11, 2015

  3. Added to CISA KEV

    May 25, 2022

  4. Added to CIRCL KEV

    May 25, 2022

  5. Added to ENISA EUVD

    May 25, 2022

  6. Last updated

    Apr 22, 2026

References

2 more references in the full CVE brief

FAQ

Common Questions.

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