RCE in Microsoft Windows GDI+, a core OS graphics library used broadly across enterprises; exploitation could disrupt many organizations.
CVE-2026-50380
Heap overflow in Windows GDI+ enabling remote code execution.
Is CVE-2026-50380 being exploited?
Not confirmed. CVE-2026-50380 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.82% probability of exploitation in the next 30 days.
How severe is CVE-2026-50380?
CVE-2026-50380 is rated Critical with a CVSS score of 9.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-50380?
Yes. A fix has been recorded for CVE-2026-50380. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-50380 affect?
CVE-2026-50380 affects Microsoft Windows GDI+, Windows client and server OSes. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-50380?
Apply vendor patch immediately when available; block/inspect untrusted images; monitor for exploitation.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via crafted image over network, allowing arbitrary code execution and potential system-level compromise.
Immediate action required
- affected>= 10.0.14393.0 and < 10.0.14393.9339
- affected>= 10.0.17763.0 and < 10.0.17763.9020
- affected>= 10.0.19044.0 and < 10.0.19044.7548
- affected>= 10.0.19045.0 and < 10.0.19045.7548
- affected>= 10.0.26100.0 and < 10.0.26100.8875
- affected>= 10.0.26200.0 and < 10.0.26200.8875
- affected>= 10.0.28000.0 and < 10.0.28000.2525
- affected>= 6.2.9200.0 and < 6.2.9200.26226
- affected>= 6.3.9600.0 and < 6.3.9600.23291
- affected>= 6.3.9600.0 and < 6.3.9600.23291
- affected>= 6.2.9200.0 and < 6.2.9200.26226
- affected>= 10.0.14393.0 and < 10.0.14393.9339
- affected>= 10.0.14393.0 and < 10.0.14393.9339
- affected>= 10.0.17763.0 and < 10.0.17763.9020
- affected>= 10.0.17763.0 and < 10.0.17763.9020
- affected>= 10.0.20348.0 and < 10.0.20348.5386
- affected>= 10.0.26100.0 and < 10.0.26100.33158
- affected>= 10.0.26100.0 and < 10.0.26100.33158
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.