CVE-2011-1989

highpriority · attend · 47EPSS 0.278 · 98 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

27.8% (98th) EPSS

CVSS 9.3 · high

Is it mine?

15 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Microsoft Excel 2003 SP3 and 2007 SP2; Excel in Office 2007 SP2; Excel 2010 Gold and SP1; Excel in Office 2010 Gold and SP1; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; Excel Services on Office SharePoint Server 2007 SP2; Excel Services on Office SharePoint Server 2010 Gold and SP1; and Excel Web App 2010 Gold and SP1 do not properly parse conditional expressions associated with formatting requirements, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Conditional Expression Parsing Vulnerability."

cvss

Technical severity, 0–10. One row per scoring source.

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v2.07.9highAV:N/AC:M/Au:N/C:C/I:C/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (15)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
microsoft excel= 2003nvdUScpe:2.3:a:microsoft:excel:*:*:*:*:*:*:*:*
microsoft excel= 2007nvdUScpe:2.3:a:microsoft:excel:*:*:*:*:*:*:*:*
microsoft excel= 2010nvdUScpe:2.3:a:microsoft:excel:*:*:*:*:*:*:*:*
microsoft excel viewerall versionsnvdUScpe:2.3:a:microsoft:excel_viewer:*:*:*:*:*:*:*:*
microsoft excel web app= 2010nvdUScpe:2.3:a:microsoft:excel_web_app:*:*:*:*:*:*:*:*
microsoft office= 2004nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2007nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2008nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2010nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office= 2011nvdUScpe:2.3:a:microsoft:office:*:*:*:*:*:*:*:*
microsoft office compatibility pack= 2007nvdUScpe:2.3:a:microsoft:office_compatibility_pack:*:*:*:*:*:*:*:*
microsoft open xml file format converterall versionsnvdUScpe:2.3:a:microsoft:open_xml_file_format_converter:*:*:*:*:*:*:*:*
microsoft sharepoint server= 2007nvdUScpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:*:*:*:*
microsoft sharepoint server= 2010nvdUScpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2011-09-15modified 2026-06-16

related (25,176)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-88771US	critical9.8OT critical	82.2% (100th)	KEV	2026-09-27
Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS,…
CVE-2026-93952US	—OT critical	1.38% (72nd)	KEV	2026-09-22
VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successf…
CVE-2026-12569US	critical9.8OT critical	46.0% (99th)	KEV	2026-06-18
A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of u…
CVE-2026-34910US	—OT critical	90.0% (100th)	KEV	2026-05-22
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.
CVE-2026-6973US	—OT critical	34.5% (98th)	KEV	2026-05-07
An Improper Input Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remotely authenticated user with administrative access to achieve remote code…

+25171 more

references (9)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan