CVE DATABASE / CVE-2017-0261
CVE-2017-0261
Microsoft Office Use-After-Free Vulnerability
CVSS 7.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-03-03.
Federal remediation due 2022-03-24.
Required action: Apply updates per vendor instructions.
Summary
Microsoft Office 2010 SP2, Office 2013 SP1, and Office 2016 allow a remote code execution vulnerability when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-0262 and CVE-2017-0281.
CVSS 3.1 breakdown
| Base score | 7.8 (HIGH) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Microsoft office
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References
- http://www.securityfocus.com/bid/98104
- http://www.securitytracker.com/id/1038444
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0261
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0261
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.