May 2026 Patch TuesdayAPSB26-53Normal patch window

Adobe · APSB26-53

Linked CVE review

Update Content Credentials SDK to the fixed Adobe release

Linked CVEs
14
Confirmed exploited
0
PoC or lab evidence
0
Maximum CVSS
7.5
Evidence is kept separate

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.

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14 of 14 linked CVEs shown
Confirmed exploitedCVSS above 9.0
CVE and descriptionSeverityExploit realityForecast and accessRemediation
CVE-2026-34665 Scheduled assessment
CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue does not require user interaction.

7.5 · CVSS 3.1 · HighSource: CNANo 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: 0.90% · 58.4th percentileForecast date: 2026-10-05NETWORK · LOW complexity · NONE privileges · NONE user interactionWithin 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34671 Scheduled assessment
CAI Content Credentials | Integer Overflow or Wraparound (CWE-190)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.29% · 19.5th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34680 Scheduled assessment
CAI Content Credentials | Integer Overflow or Wraparound (CWE-190)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.29% · 19.5th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34672 Scheduled assessment
CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.27% · 17.8th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34673 Scheduled assessment
CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.27% · 17.8th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34666 Scheduled assessment
CAI Content Credentials | Improper Input Validation (CWE-20)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.27% · 17.1th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34668 Scheduled assessment
CAI Content Credentials | Improper Input Validation (CWE-20)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.27% · 17.1th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34669 Scheduled assessment
CAI Content Credentials | Improper Input Validation (CWE-20)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.27% · 17.1th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34670 Scheduled assessment
CAI Content Credentials | Improper Input Validation (CWE-20)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.27% · 17.1th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34679 Scheduled assessment
CAI Content Credentials | Improper Input Validation (CWE-20)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.27% · 17.1th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34688 Scheduled assessment
CAI Content Credentials | Improper Input Validation (CWE-20)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Improper Input Validation vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.27% · 17.1th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34667 Scheduled assessment
CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.26% · 16.0th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34677 Scheduled assessment
CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.26% · 16.0th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1
CVE-2026-34678 Scheduled assessment
CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400)

CAI Content Credentials versions c2pa-web@0.7.0, c2pa-v0.78.2 and earlier are affected by an Uncontrolled Resource Consumption vulnerability that could lead to application denial-of-service. An attacker could exploit this vulnerability to exhaust system resources, resulting in an application denial-of-service condition. Exploitation of this issue does not require user interaction.

6.2 · CVSS 3.1 · MediumSource: CNANo 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: 0.26% · 16.0th percentileForecast date: 2026-10-05LOCAL · LOW complexity · NONE privileges · NONE user interactionScheduledMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.Patch available. @contentauth/c2pa-web@0.7.1; c2pa-v0.80.1