A remote code execution vulnerability exists in Microsoft Excel for Mac 2011 when it fails to properly handle objects in memory, aka "Micros
A remote code execution vulnerability exists in Microsoft Excel for Mac 2011 when it fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution".
- Published
- Sep 12, 2017
- Updated
- Jun 16, 2026
- EPSS
- 20.3% · 97th percentile
- CWE
- CWE-119
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Report tools
Action score
37
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 6 / 30 · 20.3%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| microsoft | excel for mac | cpe:2.3:a:microsoft:excel_for_mac |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- microsoft excel for mac2011
Versions reported by the vendor
Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.
Microsoft Corporation Microsoft Office
- Microsoft Excel for Mac 2011affected
Same product
microsoft: all recordsOther highest-scoring records for the same primary product.
- CVE-2016-7263Microsoft Excel for Mac 2011 and Excel 2016 for Mac allow remote attackers to execute arbitrary code or cause a denial of service (memory co37Monitor
- CVE-2016-7235Microsoft Word 2007, Office 2010 SP2, Word 2010 SP2, Word for Mac 2011, Excel for Mac 2011, and Office Compatibility Pack SP3 allow remote a37Monitor
- CVE-2016-7234Microsoft Word 2007, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word for Mac 2011, Excel for Mac 2011, Word 2016 for M37Monitor
- CVE-2016-0010Microsoft Office 2007 SP3, Office 2010 SP2, Office 2013 SP1, Office 2013 RT SP1, Office 2016, Excel for Mac 2011, PowerPoint for Mac 2011, W37Monitor
- CVE-2016-7233Microsoft Word 2007, Office 2010 SP2, Word 2010 SP2, Word for Mac 2011, Excel for Mac 2011, Word Viewer, Office Compatibility Pack SP3, Word33Monitor
- CVE-2015-6123Cross-site scripting (XSS) vulnerability in Microsoft Excel for Mac 2011 and Excel 2016 for Mac allows remote attackers to inject arbitrary 20Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.securityfocus.com/bid/100719
- www.securitytracker.com/id/1039315
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8567
Vendor advisories and official records. Exploit/PoC links are deliberately left out.