CVE-2017-11878 is a memory corruption vulnerability in multiple versions of Microsoft Excel and related products, including Excel 2007-2016 and Excel Viewer. This vulnerability allows an attacker to execute arbitrary code in the context of the current user through specially crafted Excel files. With a CVSS score of 7.8 (High), it requires user interaction (UI:R) but has low attack complexity (AC:L) and can lead to high impact on confidentiality, integrity, and availability (C:H/I:H/A:H). While not listed in CISA's KEV catalog, there is some community discussion and media coverage, though no public exploit code or Metasploit modules are currently available.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2007CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2007:*:*:*:*:*:*:* | ||
2010CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2010:*:*:*:*:*:*:* | ||
2013CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2013:*:*:*:*:*:*:* | ||
2013CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:* | ||
2016CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.