Security readout for executives and security teams
CVE-2015-2503 is an older Microsoft Office privilege-escalation issue. A crafted website opened with Internet Explorer could let an attacker bypass a sandbox boundary and move from Low Integrity to Medium Integrity. Business urgency is mainly for organizations still carrying legacy Office, Lync, Skype for Business, or IE-dependent workflows. Likely exposure is concentrated on endpoints with affected Microsoft Office versions and Internet Explorer usage. Legacy desktops, VDI images, kiosks, or business applications that still rely on IE should be prioritized. Current exposure cannot be assumed from the bundle alone and needs asset validation. Treat this as a legacy exposure cleanup item with moderate urgency. It is not marked as known exploited in the provided sources, but affected Office and IE combinations are old, high-maintenance risk areas that should not remain in normal business use. Mitigation focus: Review Microsoft MS15-116 guidance and apply the relevant security updates.; Inventory endpoints for affected Office, Lync, Skype for Business, and Office IME versions.; Prioritize systems that still allow Internet Explorer browsing..
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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Privilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2015-2503 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
- MS15-116CVE reference · vendor-advisory, x_refsource_MS
Products and packages named in the record
CWE details
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