CVE-2017-11826
Microsoft Office: Remote Code Execution
As of , CVE-2017-11826 in Microsoft Office is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 3 March 2022
- US federal deadline
- 24 March 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.81Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.63 on 3 March 2022EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
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.
CISA's description
Microsoft Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.
The CVE record's description, from microsoft
- CVE published
- 13 October 2017
- Assigned by
- microsoft
- CVSS
- 7.8 High (CVSS 3.1, from CISA-ADP)
- CWE-119
- Improper Restriction of Operations within the Bounds of a Memory Buffer
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Office: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2010-3333Stack-based Buffer Overflow | Microsoft Office | Patch this weekMetasploit module; EPSS 0.89; verified Exploit-DB entry | 0.89 | ||
| CVE-2016-3235OLE DLL Side Loading | Microsoft Office | Patch this weekMetasploit module; verified Exploit-DB entry | 0.43 | ||
| CVE-2017-11882Memory Corruption | Microsoft Office | Patch this weekRansomware use; Metasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2026-21509Security Feature Bypass | Microsoft Office | Patch this weekEPSS 0.71 | 0.71 | ||
| CVE-2009-0556PowerPoint Code Injection | Microsoft Office | Patch this weekEPSS 0.67 | 0.67 | ||
| CVE-2023-23397Outlook Privilege Escalation | Microsoft Office | Patch this weekEPSS 0.97 | 0.97 | ||
| CVE-2009-0563Buffer Overflow | Microsoft Office | Patch this weekEPSS 0.63 | 0.63 | ||
| CVE-2013-1331Buffer Overflow | Microsoft Office | Patch this weekEPSS 0.80 | 0.80 | ||
| CVE-2012-1856MSCOMCTL.OCX Remote Code Execution | Microsoft Office | Patch this weekEPSS 0.72 | 0.72 | ||
| CVE-2015-2545Malformed EPS File | Microsoft Office | Patch this weekEPSS 0.86 | 0.86 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org