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PatchSiren cyber security CVE debrief

CVE-2015-2502 Microsoft CVE debrief

CVE-2015-2502 is a Microsoft Internet Explorer memory corruption vulnerability that CISA has included in its Known Exploited Vulnerabilities catalog. The supplied sources indicate known exploitation and recommend applying vendor updates. The corpus does not provide exploit mechanics or affected-version detail beyond the Internet Explorer product identification.

Vendor
Microsoft
Product
Internet Explorer
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-04-13
Original CVE updated
2022-04-13
Advisory published
2022-04-13
Advisory updated
2022-04-13

Who should care

Security teams, vulnerability managers, and IT administrators responsible for Microsoft Internet Explorer deployments or legacy endpoints where Internet Explorer remains enabled or reachable.

Technical summary

The supplied record identifies a memory corruption vulnerability in Microsoft Internet Explorer. CISA’s KEV entry marks it as a known exploited issue and directs defenders to apply vendor updates. No additional technical exploit details are provided in the source corpus.

Defensive priority

Urgent

Recommended defensive actions

  • Apply Microsoft updates according to vendor instructions.
  • Prioritize remediation on any systems that still use or expose Internet Explorer.
  • Verify enterprise patch compliance against the CISA KEV due date context provided in the source feed.
  • Use the official CVE, NVD, and CISA KEV references to validate remediation status and tracking.

Evidence notes

This debrief is based only on the supplied CISA KEV feed snapshot and the linked official records. The source item metadata lists Microsoft Internet Explorer as the affected product, names the issue as a memory corruption vulnerability, marks it as known exploited, and states the required action as 'Apply updates per vendor instructions.' The feed dates provided are 2022-04-13 for KEV addition and 2022-05-04 for the due date. The corpus does not include exploit details, affected build ranges, or the original vulnerability disclosure date.

Sources and references

Verified primary and authoritative sources

  • CVE-2015-2502 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2015-2502

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

  • CVE-2015-2502 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2015-2502

    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.