CVE-2026-63563Active Exploitation

MEDIUMCVSS 6.9 · MEDIUM

Exploitation ongoing with high activity in latest observed window (1 mentions)

Immediate actions

Prioritize remediation for affected systems immediately
Assume compromise if assets are exposed
Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: Immediate (within 24h)

NVD description

Sharp and Toshiba Tec MFPs (multifunction printers) for a certain market have been shipped with the user authentication feature disabled in the initial configuration. When used with the initial configuration, the address book editing and a range of features related to Document Filing can be accessed without user authentication. Products intended for the Japanese market are not affected.

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5.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-1188

Priority

MEDIUM

Exploitation

ACTIVE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

Active exploitation appears in 1 classified signals
Public PoC is present in monitored signal
1 mentions across 1 observed day

What's happening

Active exploitation reported across 1 signal
PoC mentioned or linked in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Active Exploitation

1100.0%

Referenced assets1 URL

By indicator

https://vuldb.com/vuln/385549/cti

Full discourse1 post

VulDB 🛡@vuldb92d
Active Exploitation
Some increased actor activities are shown targeting Sharp and Toshiba Tec MFPs (CVE-2026-63563) https://vuldb.com/vuln/385549/cti
Post summary
Actors are increasingly targeting Sharp and Toshiba Tec MFPs via CVE‑2026‑63563, indicating ongoing exploitation activity.
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