Buffer overflow in Microsoft Office
CVE-2017-11882
Microsoft Office 2007 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, and Microsoft Office 2016 allow an attacker to run arbitrary code in the context of the current user by failing to properly h…
Vulnerability class: Buffer Overflow
EPSS: 0.999 (100.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 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.
Affected products
- Microsoft Office — versions 2007, 2010, 2013
- Microsoft Corporation Office — versions Microsoft Office 2007 Service Pack 3, Microsoft Office 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, Microsoft Office 2016
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- secure@microsoft.com (Exploit, Third Party Advisory, x_refsource_MISC)
- secure@microsoft.com (Exploit, Third Party Advisory, x_refsource_MISC)
- secure@microsoft.com (Exploit, Third Party Advisory, x_refsource_MISC)
- secure@microsoft.com (Exploit, Third Party Advisory, x_refsource_MISC)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (Exploit, Third Party Advisory, x_refsource_MISC)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
- secure@microsoft.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-11882?
- CVE-2017-11882 is a high-severity vulnerability in Microsoft Office, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-11-15.
- How severe is CVE-2017-11882?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-11882 known to be exploited?
- Yes. CVE-2017-11882 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 246 public proof-of-concept repositories are indexed.