CVE-2017-11826
Actively exploited. CVE-2017-11826 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2017-11826 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user.
CSIRTS triage
- What
- A remote code execution vulnerability exists in Microsoft Office when the software fails to properly handle objects in memory.
- Who is affected
- Users of Microsoft Office with the affected versions.
- Urgency
- Immediate action is required as the vulnerability is actively exploited and rated critical.
- Action
- Update Microsoft Office to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2017-11826 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2017-11826: Microsoft Office Remote Code Execution Vulnerabilitycisa-kev · 2022-03-03
External references
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