CVE-2023-21823
HighExploitedPublic exploitWindows Graphics Component Remote Code Execution Vulnerability
Published Feb 14, 2023 · Updated Aug 19, 2026
Key Facts
Patch immediately- CVE-2023-21823 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Office (Microsoft), Windows 10 1507 (Microsoft), Windows 10 1607 (Microsoft) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 14, 2023. Public exploit code is available.
- EPSS estimates a 5.6% probability of exploitation in the next 30 days.
- Fixed versions are available, including Office 16.0.14326.21330, Office 16.0.16130.20156, Office 2.70.23021003.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
5.6%
Higher than 92.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-21823 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Windows Graphics Component Remote Code Execution Vulnerability
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Feb 14, 2023 | Mar 7, 2023 | Not reported |
| Industry KEV feed | Feb 14, 2023 | Mar 7, 2023 | Not reported |
| CIRCL KEV | Feb 14, 2023 | Mar 7, 2023 | Not reported |
| ENISA EUVD | Feb 14, 2023 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
69 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| OfficeMicrosoft | See advisory | 16.0.16130.20156 |
| Windows 10 1507Microsoft | See advisory | 10.0.10240.19747 |
| Windows 10 1607Microsoft | See advisory | 10.0.14393.5717 |
| Windows 10 1809Microsoft | See advisory | 10.0.17763.4010 |
| windows 10 20H2Microsoft | See advisory | 10.0.19042.2604 |
Patched Releases
Office
16.0.14326.21330, 16.0.16130.20156, 2.70.23021003
Microsoft Office for Android
16.0.16130.20156
Microsoft Office for iOS
2.70.23021003
Microsoft Office for Universal
16.0.14326.21330
Windows 10 1507
10.0.10240.19747
Windows 10 1607
10.0.14393.5717
Windows 10 1809
10.0.17763.4010
windows 10 20H2
10.0.19042.2604
windows 10 21H2
10.0.19044.2604
windows 10 22H2
10.0.19045.2604
windows 11 21H2
10.0.22000.1574, 10.0.22621.1574
windows 11 22H2
10.0.22621.1265
windows server 2008 R2
6.1.7601.26366
Windows Server 2008 Sp2
6.0.6003.21915
Windows Server 2012
6.2.9200.24116
windows server 2012 R2
6.3.9600.20821
Windows Server 2016
10.0.14393.5717
Windows Server 2019
10.0.17763.4010
Windows Server 2022
10.0.20348.1547
Windows 10 Version 1507
10.0.10240.19747
Windows 10 Version 1607
10.0.14393.5717
Windows 10 Version 1809
10.0.17763.4010
Windows 10 Version 20H2
10.0.19042.2604
Windows 10 Version 21H2
10.0.19044.2604
Windows 10 Version 22H2
10.0.19045.2604
Timeline
Publicly disclosed
Feb 14, 2023
Added to CISA KEV
Feb 14, 2023
Added to Industry KEV feed
Feb 14, 2023
Added to CIRCL KEV
Feb 14, 2023
Added to ENISA EUVD
Feb 14, 2023
Last updated
Aug 19, 2026
Weakness Type
- CWE-190 Integer Overflow or Wraparound
References
FAQ
Common Questions.
Windows Graphics Component Remote Code Execution Vulnerability
Affected: Office (Microsoft); Windows 10 1507 (Microsoft); Windows 10 1607 (Microsoft), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Feb 14, 2023.
Yes. It was added on Feb 14, 2023 with a federal remediation due date of Mar 7, 2023.
Public exploit code is available.
Fixed versions are available, including Office 16.0.14326.21330, Office 16.0.16130.20156, Office 2.70.23021003.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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