PatchTheCVECVE-2026-47290: Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-47290 is a high-severity flaw (CVSS 7.8) affecting 365 apps, office 2016, office 2019. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Why this priority
- High severity
- On your watchlist
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 60%) |
| CISA exploited list | No |
| Weakness | CWE-416 |
| Published | 2026-07-14 |
| Last modified | 2026-07-16 |
Last updated 2026-07-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-47290?
365 apps: mitigate or apply the listed mitigation; office 2016: mitigate or apply the listed mitigation; office 2019: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2026-47290 being exploited?
CVE-2026-47290 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-47290 affect?
CVE-2026-47290 affects 365 apps, office 2016, office 2019. Severity is high (CVSS 7.8). Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
How urgent is CVE-2026-47290?
Priority 42/100. High severity; On your watchlist
Software pages
Microsoft Office vulnerabilities
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