CVE-2016-3316Word Memory Corruption
Microsoft Word 2013 SP1, 2013 RT SP1, 2016, and 2016 for Mac allow remote attackers to execute arbitrary code via a crafted file, aka "Microsoft Office Memory Corruption Vulnerability."
Published Aug 9, 2016 · Updated May 6, 2026
Key Facts
Patch immediately- CVE-2016-3316 is a high-severity vulnerability (CVSS 7.8 v3) affecting Word (Microsoft), Word For Mac (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 47% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3
7.8
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
47%
Higher than 98.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
37/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Description
Microsoft Word 2013 SP1, 2013 RT SP1, 2016, and 2016 for Mac allow remote attackers to execute arbitrary code via a crafted file, aka "Microsoft Office Memory Corruption Vulnerability."
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| WordMicrosoft | 2013-sp1, 2016 | n/a |
| Word For MacMicrosoft | 2016 | n/a |
Timeline
Publicly disclosed
Aug 9, 2016
Last updated
May 6, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- exploitExploitDB-40238
- otherMS16-099
- other40238
- other92300
- other1036559
FAQ
Common Questions.
Microsoft Word 2013 SP1, 2013 RT SP1, 2016, and 2016 for Mac allow remote attackers to execute arbitrary code via a crafted file, aka "Microsoft Office Memory Corruption Vulnerability."
Affected: Word (Microsoft) versions 2013-sp1, 2016; Word For Mac (Microsoft) versions 2016. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2016-3316 On Your Attack Surface?
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