Security readout for executives and security teams
This is an old Microsoft Excel file-parsing flaw. A malicious Excel file could corrupt memory and potentially run attacker-controlled code or crash the application. Business risk is mainly where legacy Office or Mac converter software remains in use and users can open untrusted spreadsheets. Exposure is most likely in legacy desktop environments, archives, labs, or unmanaged Macs still running the named Office and converter versions. Modern Office versions are not identified in the supplied sources. Prioritize remediation if legacy Office remains in production or handles external spreadsheets. If the named products are absent, this is mainly a historical hygiene item. Mitigation focus: Apply Microsoft MS11-021 updates where the affected products are present.; Retire or isolate systems that cannot receive the vendor update.; Restrict unsolicited or untrusted Excel files on legacy Office systems..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Execution behavior lookup
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Open ATT&CK lookupCVE-2011-0103 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:12616CVE reference · vdb-entry, signature
- MS11-021CVE reference · vendor-advisory, x_refsource_MS
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.