Excel vulnerabilitiesAnd the versions its exploited flaws hit.

Product6 known exploited19 versions
The short answer

Excel is made by Microsoft. We track 365 published vulnerabilities listed under that exact name, across 19 versions. 6 of them are on the list of flaws known to be exploited, the newest added on 14 April 2026. Microsoft lists newer releases under their own names, such as Excel Viewer, so check those pages too.

Check your version

The most recent Excel flaw added to the known-exploited list is CVE-2009-0238, on 14 April 2026. We keep watching the known-exploited list.

Other names

Is Excel listed under other names? Yes.

Microsoft also lists Excel under more specific names, such as Excel Viewer and Excel for Mac. Flaws listed only under those names are counted on their own pages, not here. If you run one of these, open its page for its own exploited flaws.

Versions

Which versions of Excel do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

  • CVE-2009-0238Exploited list, 14 Apr 2026

    Microsoft Office Remote Code Execution

    2000-sp32002-sp32003-sp32007-sp1
  • CVE-2007-0671Exploited list, 12 Aug 2025

    Microsoft Office Excel Remote Code Execution Vulnerability

    200020022003
  • CVE-2009-3129Exploited list, 3 Mar 2022

    Microsoft Excel Featheader Record Memory Corruption Vulnerability

    2002-sp32003-sp32007-sp12007-sp2
  • CVE-2016-7262Exploited list, 3 Mar 2022

    Microsoft Office Security Feature Bypass Vulnerability

    2007-sp32010-sp22013-sp12016
  • CVE-2019-1297Exploited list, 3 Mar 2022

    Microsoft Excel Remote Code Execution Vulnerability

    2010-sp22013-sp12016
  • CVE-2021-42292Exploited list, 17 Nov 2021

    Microsoft Excel Security Feature Bypass

    2013-sp1
Known exploited

Which Excel vulnerabilities are being exploited?

6 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 8.8
    CVE-2009-0238HighKnown exploited
    Microsoft Office Remote Code Execution

    Microsoft Office Excel contains a remote code execution vulnerability that could allow an attacker to take complete control of an affected system if a user opens a specially crafted Excel file that includes a...

    Chance of use43%Known exploited since14 Apr 2026
  2. 8.8
    CVE-2007-0671HighKnown exploited
    Microsoft Office Excel Remote Code Execution Vulnerability

    Microsoft Office Excel contains a remote code execution vulnerability that can be exploited when a specially crafted Excel file is opened.

    Chance of use43%Known exploited since12 Aug 2025
  3. 7.8
    CVE-2009-3129HighKnown exploited
    Microsoft Excel Featheader Record Memory Corruption Vulnerability

    Microsoft Office Excel allows remote attackers to execute arbitrary code via a spreadsheet with a FEATHEADER record containing an invalid cbHdrData size element that affects a pointer offset.

    Chance of use84%Known exploited since3 Mar 2022
  4. 7.8
    CVE-2016-7262HighKnown exploited
    Microsoft Office Security Feature Bypass Vulnerability

    A security feature bypass vulnerability exists when Microsoft Office improperly handles input.

    Chance of use58%Known exploited since3 Mar 2022
  5. 8.8
    CVE-2019-1297HighKnown exploited
    Microsoft Excel Remote Code Execution Vulnerability

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

    Chance of use22%Known exploited since3 Mar 2022
  6. 7.8
    CVE-2021-42292HighKnown exploited
    Microsoft Excel Security Feature Bypass

    A security feature bypass vulnerability in Microsoft Excel would allow a local user to perform arbitrary code execution.

    Chance of use43%Known exploited since17 Nov 2021
Exploit likelihood

Which Excel flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 70%

    Microsoft Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac obtain a certain length value from an uninitialized memory location, which allows remote attackers to trigger a...

    CVSS9.3Published13 Apr 2011
  2. 70%

    Stack-based buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 for Mac, Office 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via an Excel file...

    CVSS9.3Published8 Jun 2010
  3. 58%

    Unspecified vulnerability in Microsoft Excel 2000 SP3 through 2003 SP2, Viewer 2003, and Office 2004 for Mac allows user-assisted remote attackers to execute arbitrary code via crafted macros, aka "Macro Validation...

    CVSS9.8Published16 Jan 2008
  4. 58%
    CVE-2016-7262HighKnown exploited

    Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Office Compatibility Pack SP3, and Excel Viewer allow user-assisted remote attackers to execute arbitrary commands via a...

    CVSS7.8Published20 Dec 2016
  5. 57%

    Microsoft Excel Remote Code Execution Vulnerability

    CVSS7.8Published14 Nov 2023
  6. 54%

    Microsoft Word and Excel allow remote attackers to steal sensitive information via certain field codes that insert the information when the document is returned to the attacker, as demonstrated in Word using (1)...

    CVSS5.0Published11 Apr 2003
  7. 54%

    Microsoft Excel Remote Code Execution Vulnerability

    CVSS7.8Published14 Jun 2023
Precursor Intelligence

Running Excel? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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We track 365 published vulnerabilities listed under the name Excel, across 19 versions. The most recent Excel flaw added to the known-exploited list is CVE-2009-0238, on 14 April 2026.

6 are on the list of flaws known to be exploited. The most recently added are CVE-2009-0238, CVE-2007-0671 and CVE-2009-3129.

Microsoft also lists Excel under more specific names, such as Excel Viewer and Excel for Mac. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

Each flaw names its own versions, usually as ranges. The newest, CVE-2009-0238, affects 2000-sp3, 2002-sp3, 2003-sp3, 2007-sp1. The versions for every exploited flaw are listed on this page.

Create a Precursor Intelligence account and track Excel. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.