CVE-2018-8577· NVD / CVE Program· CNA microsoft

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Office, Office 365 ProPlus, Microsoft Excel, Microsoft Excel Viewer, Excel. This CVE ID is unique from CVE-2018-8574.

HighCVSS 7.8 · v3.0—No exploit No fix recorded

BDU:2018-01408

Published: Nov 13, 2018
Updated: Jun 16, 2026
EPSS: 19.1% · 97th percentile
CWE: —

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Action score

Monitor

Low priority for now.

CVSS: 31 / 40 · 7.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 6 / 30 · 19.1%

Affected systems

Vendor	Product	CPE
microsoft	excel	cpe:2.3:a:microsoft:excel
microsoft	excel viewer	cpe:2.3:a:microsoft:excel_viewer
microsoft	office	cpe:2.3:a:microsoft:office
microsoft	office 365 proplus	cpe:2.3:a:microsoft:office_365_proplus
microsoft	office compatibility pack	cpe:2.3:a:microsoft:office_compatibility_pack
microsoft	office web apps server	cpe:2.3:a:microsoft:office_web_apps_server

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

microsoft excel2010
microsoft excel2013
microsoft excel2016
microsoft excel viewer2007
microsoft office2010
microsoft office2013
microsoft office2016
microsoft office2019
microsoft office 365 proplusall versions
microsoft office compatibility packall versions
microsoft office web apps server2013

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 Excel
- Services on Microsoft SharePoint Server 2010 Service Pack 2affected
Microsoft Microsoft Excel
- 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 RT Service Pack 1, 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions), 2016 (32-bit edition), 2016 (64-bit edition)affected
Microsoft Microsoft Excel Viewer
- 2007 Service Pack 3affected
Microsoft Microsoft Office
- 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 RT Service Pack 1, 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions), 2016 (32-bit edition), 2016 (64-bit edition), 2016 for Mac, 2019 for 32-bit editions, 2019 for 64-bit editions, 2019 for Mac, Compatibility Pack Service Pack 3 … (+1)affected
Microsoft Office
- 365 ProPlus for 32-bit Systems, 365 ProPlus for 64-bit Systemsaffected

Same product

microsoft: all records

Other highest-scoring records for the same primary product.

CVE-2009-3129Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; OfficKEV
86Now
CVE-2016-7262Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Office Compatibility Pack SP3, and Excel Viewer allKEV
78This week
CVE-2009-0238Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel Viewer 2003 Gold and SP3; Excel Viewer; Compatibility Pack for WordKEV
78This week
CVE-2019-1297A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'KEV
72This week
CVE-2011-0105Microsoft Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac obtain a certain length value from an uni
58Plan
CVE-2010-0822Stack-based buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 for Mac, Office 2008 for Mac, and Open XML File Format Converter
58Plan

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.

EPSS, last 120 days

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 researchers

Finders, 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)

—

CVSS 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.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

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 help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records