CVE-2013-3163
HighExploitedPublic exploitMicrosoft Internet Explorer 8 through 10 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2013-3144 and…
Published Jul 10, 2013 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2013-3163 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Internet Explorer (Microsoft).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 28, 2014. Public exploit code is available.
- EPSS estimates a 71% 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
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
71%
Higher than 99.3% 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-2013-3163 brief as a PDF
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Description
Microsoft Internet Explorer 8 through 10 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2013-3144 and CVE-2013-3151.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Mar 30, 2023 | Apr 20, 2023 | Not reported |
| Industry KEV feed | Oct 28, 2014 | Apr 20, 2023 | Not reported |
| CIRCL KEV | Mar 30, 2023 | Apr 20, 2023 | Not reported |
| ENISA EUVD | Mar 30, 2023 | n/a | Not reported |
Required action: The impacted product is end-of-life and should be disconnected if still in use.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Internet ExplorerMicrosoft | 10, 8, 9 | n/a |
Timeline
Publicly disclosed
Jul 10, 2013
Added to Industry KEV feed
Oct 28, 2014
Added to CISA KEV
Mar 30, 2023
Added to CIRCL KEV
Mar 30, 2023
Added to ENISA EUVD
Mar 30, 2023
Last updated
Apr 22, 2026
Weakness Type
- CWE-787 Out-of-bounds Write
References
- advisoryTA13-190A
- patchMS13-055
- exploitVulnCheck exploitation report
- exploitMSF ms13_055_canchor.rb
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Microsoft Internet Explorer 8 through 10 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2013-3144 and CVE-2013-3151.
Affected: Internet Explorer (Microsoft) versions 10, 8, 9. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 28, 2014.
Yes. It was added on Mar 30, 2023 with a federal remediation due date of Apr 20, 2023.
Public exploit code is available.
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.
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