CVE-2015-2558 is a critical use-after-free vulnerability affecting multiple versions of Microsoft Excel, Excel for Mac, Excel Viewer, Office Compatibility Pack, and Excel Services on SharePoint Server. This flaw allows remote attackers to execute arbitrary code by crafting a malicious Office document containing a long fileVersion element. With a CVSS score of 9.3, this vulnerability is highly severe, requiring medium attack complexity but potentially leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been identified, and community discussion is minimal, its high EPSS and FAUCET Risk Score indicate a significant potential threat.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2007CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2007:sp3:*:*:*:*:*:* | ||
2010CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:x64:* | ||
2010CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:x86:* | ||
2013CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:* | ||
2013CPE matchmatch criteria | cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:C/I:C/A:C
No social media mentions found for this CVE.
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.