Buffer overflow in Microsoft Excel
CVE-2017-11884
Microsoft Excel 2016 Click-to-Run (C2R) allows an attacker to run arbitrary code in the context of the current user by failing to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11882.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.095 (95.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.095 · newest: 0.095 · change: 0.000
Affected products
- Microsoft Excel — versions 2016
- Microsoft Corporation Office — versions Microsoft Excel 2016 Click-to-Run (C2R)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1039783 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11884 (Patch, Vendor Advisory)
- www.securityfocus.com/bid/101766 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-11884?
- CVE-2017-11884 is a high-severity vulnerability in Microsoft Excel, 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-2017-11884?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-11884 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.