CVE-2026-54984

Windows Imaging Component Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code locally.

Affected

Microsoft · Windows 10 Version 1607 · Windows 10 Version 1809 · Windows 10 Version 21H2 · Windows 10 Version 22H2 · Windows 11 version 23H2 · Windows 11 Version 23H2

CVSS v3.1 MICROSOFT

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.47% chance of exploitation in the next 30 days, 39th percentile

Published

2026-08-11

Updated

2026-10-08

Proof-of-concept exploits (1)

• kagancapar/CVE-2026-549840★ · 2026-08-12

Security advisories

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54984

References

• CVE Record
• NVD entry

Related

• CVE-2021-47881
• CVE-2022-29072
• CVE-2026-5201