BlackTreeCVE IntelligenceAdobe · APSB26-37
Linked CVE review
Update Adobe Connect to the fixed Adobe release
- Linked CVEs
- 8
- Confirmed exploited
- 0
- PoC or lab evidence
- 0
- Maximum CVSS
- 9.6
Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.
| CVE and description | Severity | Exploit reality | Forecast and access | Remediation |
|---|---|---|---|---|
CVE-2026-27303 Critical technical severity Adobe Connect | Deserialization of Untrusted Data (CWE-502)Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed. | 9.6 · CVSS 3.1 · CriticalSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 1.87% · 78.6th percentileForecast date: 2026-10-05NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | Within 7 daysCritical technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. 12.11; 2025.9 |
CVE-2026-34615 Critical technical severity Adobe Connect | Deserialization of Untrusted Data (CWE-502)Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interac | 9.3 · CVSS 3.1 · CriticalSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 1.76% · 77.2th percentileForecast date: 2026-10-05NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | Within 7 daysCritical technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. 12.11; 2025.9 |
CVE-2026-27243 Critical technical severity Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a | 9.3 · CVSS 3.1 · CriticalSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.74% · 53.2th percentileForecast date: 2026-10-05NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | Within 7 daysCritical technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. 12.11; 2025.9 |
CVE-2026-27245 Critical technical severity Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a | 9.3 · CVSS 3.1 · CriticalSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.74% · 53.2th percentileForecast date: 2026-10-05NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | Within 7 daysCritical technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. 12.11; 2025.9 |
CVE-2026-27246 Critical technical severity Adobe Connect | Cross-site Scripting (DOM-based XSS) (CWE-79)Adobe Connect versions 2025.3, 12.10 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a | 9.3 · CVSS 3.1 · CriticalSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.74% · 53.2th percentileForecast date: 2026-10-05NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | Within 7 daysCritical technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. 12.11; 2025.9 |
CVE-2026-34617 Scheduled assessment Adobe Connect | Cross-site Scripting (XSS) (CWE-79)Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Cross-Site Scripting (XSS) vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit | 8.7 · CVSS 3.1 · HighSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.70% · 51.5th percentileForecast date: 2026-10-05NETWORK · LOW complexity · LOW privileges · REQUIRED user interaction | Within 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. 12.11; 2025.9 |
CVE-2026-34614 Scheduled assessment Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. Scope is changed. | 6.1 · CVSS 3.1 · MediumSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.43% · 34.7th percentileForecast date: 2026-10-05NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | ScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. 12.11; 2025.9 |
CVE-2026-21331 Scheduled assessment Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. Scope is changed. | 6.1 · CVSS 3.1 · MediumSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.28% · 18.6th percentileForecast date: 2026-10-05NETWORK · LOW complexity · NONE privileges · REQUIRED user interaction | ScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. 12.11; 2025.9 |