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PatchSiren cyber security CVE debrief

CVE-2013-3897 Microsoft CVE debrief

CVE-2013-3897 is a Microsoft Internet Explorer use-after-free vulnerability that CISA added to its Known Exploited Vulnerabilities catalog. Because CISA identifies it as known exploited, defenders should treat it as a priority patching item and follow Microsoft’s update guidance.

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

Who should care

Security teams, patch managers, and administrators responsible for Microsoft Internet Explorer or legacy Windows environments should prioritize this CVE, especially where IE remains enabled or present for compatibility reasons.

Technical summary

The available source corpus identifies CVE-2013-3897 as a Microsoft Internet Explorer use-after-free vulnerability. CISA lists it in the Known Exploited Vulnerabilities catalog, with dateAdded 2022-03-03 and dueDate 2022-03-24, and the required action is to apply updates per vendor instructions. No additional technical details are provided in the supplied sources.

Defensive priority

High. CISA inclusion in the KEV catalog indicates known exploitation and a need for prompt remediation. Use Microsoft’s guidance and prioritize affected systems still using or exposing Internet Explorer.

Recommended defensive actions

  • Apply Microsoft updates per vendor instructions as soon as possible.
  • Inventory systems where Internet Explorer is installed, enabled, or still relied on for compatibility.
  • Reduce or eliminate Internet Explorer use where possible, especially on endpoints that no longer require it.
  • Verify remediation across all affected hosts and keep the KEV catalog in your patching workflow.
  • Monitor CISA and Microsoft guidance for any updates related to this CVE.

Evidence notes

This debrief is based only on the supplied CISA KEV source item and the official CVE/NVD resource links provided in the corpus. The corpus confirms the CVE identifier, Microsoft Internet Explorer as the product, the use-after-free classification, and CISA KEV timing metadata. No CVSS score or deeper exploit detail was supplied.

Sources and references

Verified primary and authoritative sources

  • CVE-2013-3897 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2013-3897

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

  • CVE-2013-3897 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2013-3897

    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.