BlackTreeCVE IntelligenceMay 2026 Patch TuesdayMSRC-2026-05-microsoft-office-5-2617-1Normal patch window
Microsoft · MSRC-2026-05-microsoft-office-5-2617-1
Linked CVE review
Deploy Microsoft Microsoft Office update for Microsoft Outlook for iOS
- Linked CVEs
- 1
- Confirmed exploited
- 0
- PoC or lab evidence
- 0
- Maximum CVSS
- 7.4
Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.
1 of 1 linked CVEs shown
Confirmed exploitedCVSS above 9.0
| CVE and description | Severity | Exploit reality | Forecast and access | Remediation |
|---|---|---|---|---|
CVE-2026-42893 Scheduled assessment Microsoft Outlook for iOS Tampering VulnerabilityImproper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to perform tampering over a network. | 7.4 · CVSS 3.1 · HighSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.71% · 52.0th percentileForecast date: 2026-10-09NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | Within 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data. |