# CVE-2013-1331: Microsoft Office Buffer Overflow Vulnerability

- Exploited (CISA KEV): yes, added 2022-06-08
- Published: 2013-06-12
- CVSS: 7.8 HIGH (v3.1)
- EPSS: 79.8% (100th percentile)
- CWE: CWE-119

Buffer overflow in Microsoft Office 2003 SP3 and Office 2011 for Mac allows remote attackers to execute arbitrary code via crafted PNG data in an Office document, leading to improper memory allocation, aka "Office Buffer Overflow Vulnerability."

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | Before feed history | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Before feed history | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | Before feed history | — | — |

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2013-1331 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2013-1331