Security readout for executives and security teams
This is an old Microsoft Office file-parsing flaw. A malicious Excel spreadsheet could corrupt memory in vulnerable Excel or Mac Office components, potentially allowing code execution or a crash when opened. Business urgency depends on whether legacy Office 2002/2008 or the Mac converter remain in use. Exposure is most likely in legacy endpoints, old Mac systems, file-conversion workflows, or archives where vulnerable Microsoft Office components are still installed or reachable through document handling. Treat as high priority only where legacy Microsoft Office remains in use. For modern, fully supported Office environments, the immediate priority is confirming absence of the affected components. Mitigation focus: Inventory systems for the named legacy Microsoft Office products.; Review and apply Microsoft guidance in MS11-045 where applicable.; Remove unsupported Office versions and converters where possible..
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-2011-1277 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:12291CVE reference · vdb-entry, signature
- MS11-045CVE 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.