CVE-2021-38660

mediumpriority · track · 28EPSS 0.023 · 83 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.29% (83rd) EPSS

CVSS 6.8 · medium

Is it mine?

10 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

EPSS · scored 2026-10-27

Microsoft Office Graphics Remote Code Execution Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedMicrosoft Excel 2013 RT Service Pack 1msrc_csaf
5381.1000:Security Update:https://support.microsoft.com/kb/5002014
https://support.microsoft.com/kb/5002014
FixedMicrosoft Excel 2013 Service Pack 1 (32-bit editions)msrc_csaf
5381.1000:Security Update:https://support.microsoft.com/kb/5002014
https://support.microsoft.com/kb/5002014
FixedMicrosoft Excel 2013 Service Pack 1 (64-bit editions)msrc_csaf
5381.1000:Security Update:https://support.microsoft.com/kb/5002014
https://support.microsoft.com/kb/5002014

cvss

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

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–7.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

v3.17.8highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USexploitability 1.8 · impact 5.9

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-95US

affected products (10)

Products and version ranges known to be affected.

Microsoft Microsoft Excel 2013 Service Pack 115.0.0.0 → 5381.1000enisa_euvdEU
Microsoft Corp Microsoft Excel 2013 RT Service Pack 1all versionsfstec_bduRU
Microsoft Corp Microsoft Excel 2013 Service Pack 1all versionsfstec_bduRU
Microsoft Excel 2013 RT Service Pack 1all versionsfixedmsrc_csafUS
Microsoft Excel 2013 RT Service Pack 1< 5381.1000msrc_csafUS
Microsoft Excel 2013 Service Pack 1 (32-bit editions)all versionsfixedmsrc_csafUS
Microsoft Excel 2013 Service Pack 1 (32-bit editions)< 5381.1000msrc_csafUS
Microsoft Excel 2013 Service Pack 1 (64-bit editions)all versionsfixedmsrc_csafUS
Microsoft Excel 2013 Service Pack 1 (64-bit editions)< 5381.1000msrc_csafUS
microsoft excel= 2013nvdUScpe:2.3:a:microsoft:excel:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2021-38660Microsoft Office Graphics Remote Code Execution Vulnerability2021-09-14csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu msrc_csaf nvd NVD CVE.org MITRE

published 2021-09-15modified 2026-08-10

references (8)

External citations — patches, advisories, analysis.

scry

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