CVE-2013-3918

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-10-06. Federal remediation due 2025-10-27.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

73.87% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.4% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-16.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2013-11-12 01:00Z12 YR AGO

Last updated

2025-10-22 00:05Z10 MO AGO

Reserved

2013-06-03

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

9667c4abb35e04e61cad89b1da2471c60d7d91d33fb3b8d586dd5d62ceac7e93

• www.us-cert.govTA13-317Ahttp://www.us-cert.gov/ncas/alerts/TA13-317Athird-party-advisoryx_refsource_CERT
• www.darkreading.comhttp://www.darkreading.com/vulnerability/new-ie-vulnerability-found-in-the-wild-s/240163814/x_refsource_MISC
• docs.microsoft.comMS13-090https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-090vendor-advisoryx_refsource_MS
• www.fireeye.comhttp://www.fireeye.com/blog/technical/2013/11/new-ie-zero-day-found-in-watering-hole-attack.htmlx_refsource_MISC
• oval.cisecurity.orgoval:org.mitre.oval:def:19089https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19089vdb-entrysignaturex_refsource_OVAL
• isc.sans.eduhttps://isc.sans.edu/forums/diary/16985x_refsource_MISC
• blogs.technet.comhttp://blogs.technet.com/b/msrc/archive/2013/11/11/activex-control-issue-being-addressed-in-update-tuesday.aspxx_refsource_CONFIRM
• www.microsoft.comhttps://www.microsoft.com/en-us/msrc/blog/2013/11/technical-details-of-the-targeted-attack-using-ie-vulnerability-cve-2013-3918/vendor-advisory
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3918government-resource