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CVE-2013-2551 Microsoft CVE debrief

CVE-2013-2551 is a Microsoft Internet Explorer use-after-free vulnerability that CISA lists in its Known Exploited Vulnerabilities catalog. CISA added it on 2022-03-28 and set a 2022-04-18 remediation due date, noting known ransomware campaign use.

Vendor
Microsoft
Product
Internet Explorer
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-28
Original CVE updated
2022-03-28
Advisory published
2022-03-28
Advisory updated
2022-03-28

Who should care

Security teams managing Microsoft Internet Explorer exposure, especially on legacy Windows systems, should treat this as a priority because it is listed in CISA's KEV catalog as known exploited.

Technical summary

The official records identify CVE-2013-2551 as a use-after-free vulnerability in Microsoft Internet Explorer. The CISA KEV entry marks it as known exploited and records known ransomware campaign use; the supplied corpus does not include deeper technical detail or exploitation mechanics.

Defensive priority

High

Recommended defensive actions

  • Apply updates per vendor instructions.
  • Inventory systems that still use or expose Internet Explorer, including compatibility modes and legacy applications.
  • Prioritize patching or mitigation for internet-facing and high-value endpoints.
  • Validate remediation against the CISA KEV due date context and monitor for suspicious browser-related activity.

Evidence notes

Claims above are limited to the official CVE record, NVD detail page, and CISA KEV catalog entry supplied here. The corpus confirms the vulnerability name, vendor/product, KEV status, dateAdded, dueDate, and known ransomware campaign use, but not a full exploit narrative or impact statement.

Sources and references

Verified primary and authoritative sources

  • CVE-2013-2551 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2013-2551

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2013-2551 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2013-2551

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.